Dinner · Part 2 of 3: Instructions
Crockpot Lentil and Sweet Potato Stew for Easy Weeknight Dinners Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Preparation for this stew is minimal but essential. Start by peeling and cutting the sweet potatoes into uniform, bite-sized cubes to ensure even cooking. Measure out the dried lentils and give them a quick rinse in a fine-mesh colander to remove any debris.
Ensure your slow cooker is clean and positioned on a stable, heat-resistant surface away from any overhanging cabinets. Have your spices measured and ready to sprinkle, and ensure your canned tomatoes are opened before you begin the assembly process.
Ingredients at a glance (5)
- 1 cup dried brown lentils
- 2 cups sweet potato cubes, bite-sized
- 1 tsp smoked paprika
- 1 tsp ground cumin
- 24 oz diced tomatoes in vegetable broth
Instructions
Initial Assembly
- Assemble the IngredientsPlace the dried brown lentils into the base of the slow cooker insert. Scatter the bite-sized sweet potato cubes evenly over the lentils. Sprinkle the smoked paprika and ground cumin over the vegetables to ensure the spices are distributed throughout the dish.Look for Lentils and sweet potatoes should form an even layer at the bottom of the slow cooker.Tip Ensure the sweet potatoes are cut to a uniform size to promote even cooking throughout the stew.
At the end of this phase, the ingredients are layered in the slow cooker with the lentils at the bottom and the sweet potatoes on top. The spices are evenly distributed, and the pot is ready for the liquid. Ensure the layer is level and the slow cooker insert is positioned correctly in the housing before proceeding to add the tomato mixture.
Slow Cooking
- Add Liquid and CookPour the diced tomatoes and the accompanying vegetable broth over the lentil and sweet potato mixture. Secure the lid on the slow cooker and set it to cook on high for four hours or on low for seven to eight hours until the lentils are tender.Look for The liquid should just cover the top of the lentils and vegetables to allow for proper simmering.Tip Avoid lifting the lid during the cooking process to maintain a consistent temperature inside the slow cooker.
During the cooking phase, the kitchen will begin to fill with the savory, aromatic scent of cumin and smoked paprika. The liquid will gently bubble, and the stew will gradually thicken as the lentils soften. Check the progress near the end of the time to ensure the heat is consistent and the stew is reaching the desired thick, uniform consistency.
Final Integration
- Finish and ServeOnce the cooking time has elapsed, check that the lentils are soft and the sweet potatoes are tender when pierced with a fork. Give the stew a gentle stir to combine all the flavors and textures before serving warm in deep bowls.Look for The stew should be thick and fragrant with the aroma of smoked paprika and cumin.Tip If the stew appears too thick, stir in a splash of water or additional broth until the desired consistency is achieved.
In the final phase, the stew should look rich, thick, and deeply colored by the tomatoes and spices. A gentle stir confirms that the lentils and potatoes have integrated into a cohesive, hearty meal.
The stew should be steaming hot and ready to be ladled into bowls immediately, offering a comforting and fragrant dish that is perfectly tender throughout.
Common mistakes
A common mistake is overcrowding the slow cooker, which can prevent the ingredients from cooking evenly and potentially lead to undercooked lentils. Another error is using too much liquid; the tomatoes and broth should just cover the ingredients, as the stew will release moisture as it cooks.
Avoid lifting the lid frequently during the cooking cycle, as this releases heat and moisture, which can significantly increase the total cooking time and disrupt the delicate balance needed for a perfect, thick stew texture.
How to tell it’s done
The stew is finished when the lentils are tender and creamy, having absorbed most of the liquid. The sweet potato cubes should be soft to the touch and easily pierced with a fork but still hold their shape without turning into mush.
The overall texture should be thick and hearty rather than soupy. If the lentils are still firm or crunchy, continue cooking for an additional thirty minutes and check again, as cooking times can vary based on the age of the lentils.
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)