Transforming leftover ham into a delicious and wholesome meal is easier than you think! This Slow Cooker Ham and Lentil Soup recipe is your ultimate answer to holiday leftovers, offering a comforting, budget-friendly dish that’s perfect for chilly days. Imagine a hearty bowl of soup, rich in flavor and packed with nutrients, served alongside a warm slice of cornbread. It’s a meal that promises both satisfaction and simplicity, requiring minimal effort thanks to the magic of your slow cooker.
After a festive holiday feast like Thanksgiving, Christmas, or Easter, you often find yourself with an abundance of leftover ham. Instead of letting it go to waste, this slow cooker recipe offers a brilliant solution. It combines tender pieces of leftover ham with robust lentils and an array of fresh vegetables, creating a filling and flavorful soup that’s incredibly easy to prepare. Whether you’ve got slow cooker ham, smoked ham, or any other kind of cooked ham, this recipe is designed to make the most of it. Simply toss the ingredients into your slow cooker, set it, and forget it, returning hours later to a perfectly cooked, aromatic soup that will warm you from the inside out.

Why You’ll Adore This Slow Cooker Ham and Lentil Soup
This ham and lentil soup is more than just a meal; it’s a culinary experience designed for convenience and flavor. Here’s why it’s destined to become a staple in your recipe rotation:
- Efficiently Uses Leftover Ham: Say goodbye to food waste! This recipe is specifically crafted to repurpose your holiday ham, infusing rich, savory flavors into every spoonful without letting any delicious ham go to waste. It’s a smart and economical way to extend the life of your festive meals.
- Frugal and Feeds a Crowd: Lentils are an incredibly inexpensive and nutritious ingredient, making this soup an exceptionally budget-friendly option. Combined with leftover ham and common pantry vegetables, it creates a substantial meal that can easily feed a large family or provide multiple servings for meal prep throughout the week.
- Effortlessly Gluten-Free: For those managing gluten sensitivities, this soup is a dream come true. Lentils are naturally gluten-free, and with mindful selection of broths and other ingredients, you can ensure a completely safe and delicious meal. It’s a comforting dish that caters to dietary needs without compromising on taste.
- A Perfect Companion to Cornbread: Few pairings are as classic and satisfying as a hearty bowl of soup with warm, fluffy cornbread. This ham and lentil soup is no exception. Serve it with your favorite Gluten-Free Cornbread for a truly wholesome and comforting meal that evokes feelings of home and nostalgia.
- Minimal Effort, Maximum Flavor: The slow cooker does all the heavy lifting, allowing the flavors to meld and deepen over several hours. This hands-off approach means you can spend less time in the kitchen and more time enjoying your day, while still producing a meal that tastes like you spent hours slaving over it.
Essential Ingredients for Your Slow Cooker Ham and Lentil Soup

Crafting this savory and fulfilling soup begins with selecting quality ingredients that work harmoniously in the slow cooker. Here’s a closer look at what you’ll need and why each component is crucial:
- Cooked and Cubed Ham: The star of the show! Leftover ham provides a rich, salty, and smoky depth to the soup. The amount can be adjusted based on how much you have on hand, but about 1 cup of cubed ham is ideal for a balanced flavor. Ensure it’s already cooked to ensure proper tenderization in the slow cooker.
- Gluten-Free Dry Lentils: Brown lentils are highly recommended for this recipe. They hold their shape well during the long cooking process and contribute a creamy texture and earthy flavor. Look for certified gluten-free lentils to avoid cross-contamination if necessary. There’s no need to pre-soak them for this slow cooker method.
- Beef Broth: This forms the foundational liquid, imparting a deep, savory base that complements the ham beautifully. While the recipe calls for 14.5 oz, you’ll also add water to control sodium and volume. You can opt for low-sodium broth to have more control over the final saltiness of the soup.
- Tomato Sauce: A 15 oz can of tomato sauce adds a pleasant tang and helps to thicken the soup slightly, contributing to its rich, full-bodied character. It also provides a lovely color.
- Frozen Corn: Adding a cup of frozen corn introduces a touch of sweetness and vibrant color, creating a delightful textural contrast with the lentils and other vegetables. It’s a convenient way to add fresh flavor without extra prep.
- Russet Potatoes, Diced: Two medium russet potatoes, diced, provide starchy goodness that makes the soup incredibly hearty and satisfying. They break down slightly to contribute to the soup’s overall creaminess. Other potato varieties like Yukon Gold or red potatoes can also be used.
- Celery, Thinly Sliced: Two stalks of thinly sliced celery add a classic aromatic note and a subtle crunch, which is a staple in many comforting soup recipes.
- Baby Carrots: Half a pound of baby carrots brings natural sweetness and essential vitamins to the soup. You can also use regular carrots, peeled and sliced or diced, if preferred.
- Diced Tomatoes: A large 28 oz can of diced tomatoes (undrained) provides chunky tomato texture and a bright, acidic counterpoint to the richness of the ham and broth.
- White Onion, Diced: A quarter cup of diced white onion offers a pungent, aromatic base that builds the flavor profile of the soup from the ground up.
- White Cooking Wine: Half a cup of white cooking wine is a secret weapon for adding a layer of complex flavor and depth to the soup. It deglazes any bits of flavor from the bottom if you’re sautéing aromatics beforehand (though not strictly necessary for this slow cooker method) and imparts a subtle, sophisticated note. A dry white wine, like Sauvignon Blanc or Pinot Grigio, would be even better if you have it on hand.
- Dried Parsley, Dried Basil, Oregano: These dried herbs are essential for seasoning, offering an aromatic bouquet that enhances all the other flavors. Each is about 1/2 tablespoon, but you can adjust to your preference. Fresh herbs can also be added at the end for a brighter finish.
- Water or Additional Broth: Approximately 4 cups of water or additional broth are needed to ensure all ingredients are submerged and to achieve the desired soup consistency. Using water helps control sodium, while more broth can intensify the savory flavor.
- Salt and Pepper to Taste: Essential for balancing and finishing the flavors. It’s best to add these just before serving, as the ham and broth already contribute significant sodium.
Effortless Slow Cooker Preparation: Your Step-by-Step Guide
Preparing this ham and lentil soup in a slow cooker couldn’t be simpler. Follow these straightforward steps to achieve a perfectly cooked, flavorful meal with minimal fuss:
- Prepare Your Slow Cooker: Begin by coating the inside of a 6-quart slow cooker with nonstick cooking spray. This crucial step prevents ingredients from sticking to the sides and makes cleanup a breeze. Alternatively, you can use a slow cooker liner for even easier cleanup, which is a fantastic time-saver, especially after a long cooking period.
- Layer the Ingredients: Carefully place all your prepared ingredients into the slow cooker. Start with the denser vegetables like potatoes, carrots, and celery, then add the ham, lentils, corn, and diced onions. Pour in the tomato sauce, diced tomatoes, beef broth, and white cooking wine. Finish by adding the 4 cups of water or additional broth. It’s important to ensure that all the vegetables and lentils are fully submerged in the liquid. This ensures even cooking and prevents any ingredients from drying out during the long simmer.
- Cook to Perfection: Secure the lid on your slow cooker. Set the cooking temperature to “low” and let it simmer for a full 8 hours. The low and slow cooking method is key to allowing the flavors to deeply meld together, resulting in tender lentils, succulent ham, and perfectly softened vegetables. This extended cooking time also allows for hands-off preparation, freeing you up to focus on other tasks.
- Season and Serve: Once the 8 hours are up, remove the lid. The soup will be thick, fragrant, and bursting with flavor. Before serving, taste the soup and add salt and freshly ground black pepper according to your preference. Remember that ham and broth can be salty, so season gradually. Stir well to incorporate the seasonings, then ladle generous portions into bowls and enjoy immediately.
Choosing the Perfect Lentils for Your Soup

Lentils are a fantastic and versatile legume, naturally packed with protein and fiber. For this Slow Cooker Ham and Lentil Soup, the choice of lentils can make a difference in texture and cooking time. While various types exist, brown lentils are our top recommendation for their ability to hold shape and create a satisfyingly hearty soup.
Firstly, it’s important to understand that lentils are naturally gluten-free because they belong to the legume family, not grains. However, for individuals with celiac disease or severe gluten sensitivity, cross-contamination can be a concern. Lentils may be processed or packaged on equipment that also handles gluten-containing grains. Therefore, if gluten-free is a necessity, always check the package carefully for a certified gluten-free label. Brands like Bob’s Red Mill Brown Lentils are often a reliable choice, as they frequently offer certified gluten-free options, giving you peace of mind.
When it comes to varieties, brown lentils are ideal for soups because they maintain their structure well during long cooking periods, preventing them from turning into a mushy paste. Green lentils are another excellent option, as they also hold their shape and have a slightly peppery flavor. Red lentils, on the other hand, tend to break down much faster and are better suited for puréed soups or Indian daals, where a creamy consistency is desired. For our slow cooker soup, the goal is distinct, tender lentils, making brown or green varieties the superior choice.
No pre-soaking is required for lentils when using a slow cooker, which is one of the many benefits of this cooking method. Simply rinse them thoroughly under cold water to remove any dust or small debris before adding them to your pot. Store dry lentils in an airtight container in a cool, dry place, and they will last for a long period, making them a pantry staple for many nutritious meals.
Expert Tips for Crafting Your Best Slow Cooker Ham and Lentil Soup

Elevate your Slow Cooker Ham and Lentil Soup from good to exceptional with these expert tips and variations:
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Seasonal Versatility: While this hearty soup is a quintessential dish for “soup season” during colder months, its refreshing and wholesome nature also makes it surprisingly delightful in the spring. We often find ourselves making it after Easter with our leftover Easter ham, but it’s equally perfect for utilizing your leftover Christmas or Thanksgiving ham. Its versatility means it’s a dish you can enjoy year-round, adapting it to whatever ingredients are fresh and available.
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Serving Suggestions: Beyond the traditional and highly recommended Gluten-Free Cornbread, this soup pairs wonderfully with a variety of sides. A nice, crusty artisan bread is always a fantastic option for soaking up the savory broth. For a lighter accompaniment, consider a simple green salad with a vinaigrette dressing to balance the richness of the soup. You could also offer a sprinkle of shredded cheddar cheese or a dollop of sour cream as optional garnishes for extra creaminess.
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Liquid Logic – Broth and Water: The liquid base for this soup typically consists of beef broth and water. While you certainly can use all beef broth for an intensely rich flavor, I often opt for a majority of water to help keep the sodium content as low as possible. This allows for more control over seasoning at the end. If you prefer, chicken broth or even vegetable broth can be used as a substitute for beef broth, each lending a slightly different flavor profile to the final dish. Experiment to find your favorite!
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Vegetable Freedom: This recipe includes a robust variety of vegetables, such as russet potatoes, carrots, celery, diced tomatoes, corn, and white onions. However, the beauty of this soup lies in its adaptability. Feel free to use any vegetables you have on hand or ones that are in season. Add a handful of spinach or kale in the last 30 minutes of cooking for added greens, or incorporate bell peppers, green beans, or sweet potatoes for a different twist. Just ensure any harder vegetables are cut into similar sizes for even cooking.
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The Power of Wine: The addition of white cooking wine is a subtle yet significant flavor enhancer, contributing a depth and complexity that elevates the soup. If you have a dry white wine (like Sauvignon Blanc or Pinot Grigio) in your pantry, using “real” wine will yield an even more nuanced and delightful flavor than cooking wine, which often contains added salt. Don’t worry, the alcohol cooks off during the long simmer, leaving behind only the delicious essence.


Finally, remember that much of the base of this recipe relies on the combination of tomato sauce and diced tomatoes, which provide a rich, tangy foundation. For a pop of freshness and color, I highly recommend garnishing each bowl with a sprinkle of fresh parsley before serving. And as a final flourish, always add salt and black pepper to taste just before digging in, ensuring the flavors are perfectly balanced to your preference.
Storing and Reheating Your Delicious Ham and Lentil Soup
One of the many advantages of this Slow Cooker Ham and Lentil Soup is how well it stores, making it an excellent option for meal prepping or enjoying leftovers for days to come. Proper storage and reheating ensure that every bowl is as delicious as the first.
Refrigeration: Once the soup has cooled down to room temperature, transfer any leftover portions into an airtight container. Store it in the refrigerator for up to 4 days. The flavors of the soup often deepen and become even more pronounced after a day or two, making leftovers a real treat.
Freezing: For longer storage, this soup freezes beautifully. Allow the soup to cool completely before transferring it into freezer-safe containers or heavy-duty freezer bags. If using bags, lay them flat for efficient storage, saving space in your freezer. It can be frozen for up to 3 months. When you’re ready to enjoy it, simply thaw the soup overnight in the refrigerator.
Reheating from the Fridge:
- Microwave: For a quick reheat, pour a single serving into a microwave-safe dish. Cover it (to prevent splatters) and heat on high for 2-3 minutes, stirring halfway through, or until thoroughly heated.
- Stovetop: For larger batches or if you prefer stovetop reheating, transfer the soup to a small saucepan. Heat over medium heat, stirring occasionally, until it reaches your desired temperature. Add a splash of broth or water if the soup has thickened too much during storage.
Reheating from Frozen:
- Thawed: Once thawed in the refrigerator, reheat using the microwave or stovetop methods described above.
- From Frozen (Emergency): If you’re in a pinch and need to reheat from frozen, you can gently heat the frozen block of soup in a large pot over low heat, adding a small amount of water or broth to prevent sticking, until it thaws and heats through. This method requires more frequent stirring.

This incredible ham and lentil soup is designed to make your life easier and your meals more delicious. It feeds the family generously and utilizes leftover ham and everyday pantry ingredients with remarkable simplicity. It’s truly one of my favorite soups to prepare right after Thanksgiving, making the day after the big feast feel like a breeze with minimal cooking stress and maximum comfort. Enjoy the warmth and flavor that this wholesome dish brings!

Slow Cooker Ham and Lentil Soup
Course:
Slow Cooker Soup
Cuisine:
American
Servings:
8
Servings
Pin Recipe
Prep Time:
15 mins
Cook Time:
8 hrs
Total Time:
8 hrs 15 mins
Ingredients
- 1 Cup Cooked and Cubed Ham
- 1 Cup Gluten-Free Dry Lentils
- 14.5 oz Can Beef Broth
- 15 oz Can Tomato Sauce
- 1 Cup Frozen Corn
- 2 Medium Russet Potatoes, Diced
- 2 Stalks Celery, Thinly Sliced
- 1/2 Pound Baby Carrots
- 28 oz Can Diced Tomatoes
- 1/4 Cup White Onion, Diced
- 1/2 Cup White Cooking Wine
- 1/2 Tbsp Dried Parsley
- 1/2 Tbsp Dried Basil
- 1/2 Tbsp Oregano
- 4 Cups Water or Additional Broth
- Salt/Pepper to Taste
Instructions
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Using a 6-quart slow cooker, spray it with nonstick cooking spray or use a liner.
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Place all ingredients in the slow cooker in order, finishing with the water, being sure all the vegetables are submerged in water.
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Cover and cook on low for 8 hours.
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Add salt and pepper to taste before serving.
Notes
Garlic salt can also be used for a more savory flavor.
Nutrition Facts
Serving Size: 1 Serving
- Calories: 219kcal
- Carbohydrates: 39g
- Protein: 13g
- Fat: 2g
- Saturated Fat: 0.4g
- Polyunsaturated Fat: 0.5g
- Monounsaturated Fat: 1g
- Cholesterol: 10mg
- Sodium: 786mg
- Potassium: 1044mg
- Fiber: 12g
- Sugar: 7g
- Vitamin A: 4321IU
- Vitamin C: 23mg
- Calcium: 90mg
- Iron: 5mg
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