Dinner · Part 3 of 3: Tips & recipe card

Slow Cooker Lamb and Sweet Potato Mafé Tips, FAQ & printable recipe

Name: Slow Cooker Lamb and Sweet Potato Mafé
Prep time: 15 min
Cook time: 4 h
Total time: 4 h 20 min
Cuisine: West African-inspired
Ingredients: 2 lb lamb shoulder, cut into 1-inch cubes; 2 medium sweet potatoes, peeled and diced; 1 large yellow onion, thinly sliced; 2 cups peanut tomato broth

By Clara Weller · Oct 9, 2026

A close-up of a bowl filled with lamb and sweet potato mafé in a rich, creamy peanut sauce.

Prep: 15 min
Cook: 4 h
Total: 4 h 20 min
Serves: 4

Includes 5 min resting

Tips for success

For a deeper flavor, you can briefly sear the lamb cubes in a hot skillet before adding them to the slow cooker. While not strictly necessary, this process adds a layer of complexity through the Maillard reaction. If you choose this route, ensure you deglaze the skillet with a splash of water or broth to capture all the flavorful browned bits, then add them into the slow cooker along with the meat.

If you prefer a spicier stew, consider adding a pinch of cayenne pepper or a small amount of chili paste to the peanut tomato broth before pouring it over the ingredients.

The heat will balance the creaminess of the peanut butter and the sweetness of the potatoes. Adjust the spice level gradually, tasting the sauce before adding the broth to the slow cooker to ensure the flavor profile remains perfectly balanced to your preference.

Variations

Vegetable-Forward Mafé: Replace the lamb with chunks of firm tofu or chickpeas for a plant-based version. Add extra vegetables like green beans or eggplant during the last hour of cooking for added texture and variety.
Spicy Peanut Mafé: Incorporate fresh minced chili or a tablespoon of harissa paste into the broth. This adds a vibrant, fiery kick that complements the richness of the peanut butter beautifully.

Storage and make-ahead

Fridge: Store in an airtight container for up to 3 days.
Freezer: Freeze in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator before reheating.
Reheat: Reheat in a saucepan over medium-low heat until steaming hot, adding a little water if the sauce is too thick.

Allow any leftovers to cool to room temperature for no more than two hours before transferring them into airtight containers. Properly stored, the lamb mafé will maintain its quality in the refrigerator for up to three days.

When storing, ensure the containers are sealed tightly to prevent the absorption of other odors from the fridge. Reheat only the portion you intend to eat to maintain the best texture and safety standards.

This dish is an excellent candidate for making ahead, as the flavors often deepen after sitting for a day. Prepare the entire recipe as directed, let it cool completely, and store it in the refrigerator.

When ready to serve, reheat gently on the stovetop over low heat, adding a splash of water if the sauce has thickened too much during storage. This makes it an ideal option for planned dinners or easy meal prep throughout the busy work week.

Serving ideas

Serve the lamb mafé in wide, shallow bowls to showcase the beautiful colors of the stew. A generous portion of steamed basmati or jasmine rice is the classic accompaniment, as it perfectly absorbs the rich, peanut-based sauce. You can also serve it with a side of steamed greens or a crisp cucumber salad to provide a refreshing contrast to the hearty, savory nature of the lamb and sweet potato stew.

For a professional presentation, garnish each serving with a sprinkle of chopped fresh cilantro or toasted crushed peanuts to add a fresh, crunchy element. The contrast of textures between the tender lamb, soft potatoes, and crunchy garnish elevates the dish.

Ensure that each serving includes a good balance of meat, vegetables, and sauce, and serve immediately while the stew is hot to enjoy the best flavor and consistency.

Frequently asked questions

Can this be made in a standard pot on the stovetop?

Yes, this recipe can be adapted for the stovetop. Use a heavy-bottomed pot or Dutch oven, cover tightly, and simmer on the lowest heat setting for about 90 minutes to 2 hours, or until the lamb is tender. Monitor the liquid level occasionally and add a little water if the sauce becomes too thick or begins to stick.

Why does the sauce seem to separate after cooking?

Separation can occur if the heat was too high or if the peanut butter used contains specific oils that do not emulsify well. If this happens, simply stir the sauce vigorously before serving to bring it back together. Using a natural, high-quality peanut butter and ensuring the slow cooker is set to a true low setting usually prevents this issue.

Is it possible to add other vegetables to this stew?

You can add other root vegetables such as carrots or parsnips, which hold their shape well during slow cooking. If you wish to add softer vegetables like zucchini or spinach, add them during the final 30 minutes of cooking to prevent them from becoming overcooked and mushy. Always ensure any additions are cut into uniform pieces for consistent results.

Recipe card

Slow Cooker Lamb and Sweet Potato Mafé

Prep 15 minCook 4 hRest 5 minTotal 4 h 20 minServes 4

Ingredients

2 lb lamb shoulder, cut into 1-inch cubes
2 medium sweet potatoes, peeled and diced
1 large yellow onion, thinly sliced
2 cups peanut tomato broth

Instructions

Place the cubed lamb pieces into the bottom of the slow cooker ceramic insert. Scatter the diced sweet potatoes evenly over the lamb. Top with the sliced onions to ensure they soften thoroughly during the long cooking process.
Pour the peanut tomato broth over the layered lamb and vegetables. Cover the slow cooker with its lid and set to low. Cook for approximately 4 to 6 hours, or until the lamb is tender.
Check that the lamb reaches an internal temperature of at least 145°F (63°C). Once cooked, let the meat rest for 5 minutes before serving. Serve the finished mafé hot alongside a portion of steamed white rice.

Contains: peanuts

Estimated nutrition per serving

Calories: 520
Protein: 32 g
Carbohydrates: 28 g
Fat: 31 g
Fiber: 5 g
Sugar: 7 g
Sodium: 450 mg

Automatic estimate from the ingredient list, not laboratory-verified.

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This recipe is based on a short cooking video and is published under the pen name Clara Weller. It was checked before publication, but errors can slip through. Nutrition, when shown, is an estimate. Read more in our editorial policy and on our food safety page.