Red lentils simmer with tomatoes, light coconut milk, curry powder and cumin until they soften and thicken the sauce. Baby spinach is folded in at the end, and a little water lets you adjust the finished curry’s consistency.
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Why you will like this recipe
- Red lentils soften and break down during the simmer, thickening the curry without a separate flour mixture.
- Light coconut milk softens the tomato-and-spice sauce.
- Spinach is stirred in at the end, and the sauce can be loosened with water before serving.
Substitutions
Use kale instead of spinach and simmer it for several minutes. Full-fat coconut milk makes a richer curry.
Ingredient choices and cooking cues
Red lentils soften and break down as they simmer, creating much of this curry’s body. They behave differently from green or brown lentils, which hold their shape more firmly. Rinsing removes surface dust and makes it easier to spot any stray debris. The finished texture should be creamy with tender lentil pieces, rather than separate, chewy grains in a thin broth.
Curry powder supplies a blend of flavours, while cumin adds an earthy backbone. Briefly warming the spices with the aromatics helps their fragrance spread through the dish. Watch and smell them closely: fragrant is the goal, and a scorched, acrid smell means the heat is too strong. Diced tomatoes provide little bursts of acidity against the coconut milk’s rounded flavour.
Light coconut milk adds richness without making this a heavy cream sauce. As the lentils absorb broth, the curry thickens and can begin catching on the base of the pan. Stir across the bottom, especially as the lentils soften, and use the recipe’s water adjustment if needed. Spinach adds colour at the end; fold it in until the leaves wilt rather than treating it as another long-simmered ingredient.
Storage and reheating
Refrigerate for up to 4 days or freeze for up to 3 months. Reheat to a simmer.
Serving ideas
Serve the curry after the lentils are soft and the spinach has wilted. Adjust the thickness with a little water as directed; rice or bread, if added, is separate from the stated calorie estimate.
Recipe card
Slow-Simmered Red Lentil Curry
Ingredients
Method
- Heat oil in a pot over medium heat. Cook onion for 5 minutes. Add garlic and ginger for 30 seconds.
- Stir in curry powder and cumin for 30 seconds. Add lentils, tomatoes, coconut milk, broth, and salt.
- Bring to a gentle boil, then simmer uncovered for 20 to 25 minutes, stirring occasionally, until the lentils are soft.
- Fold in spinach until wilted. Adjust thickness with water and season to taste.
Estimated nutrition per serving
| Nutrient | Per serving |
|---|---|
| Energy | 207 kcal |
| Protein | 9.8 g |
| Fat | 7.7 g |
| Saturated fat | 4.1 g |
| Carbohydrate (including fiber) | 27.7 g |
| Fiber | 5.9 g |
| Sugar | 4.9 g |
| Sodium | 337 mg |
Estimates are calculated from the ingredient amounts and standard food composition references, divided into the stated number of equal servings. They are not laboratory measurements. Brands, substitutions, optional additions and portion sizes can change the result. Optional toppings, extra side dishes and unspecified added salt are excluded from the base estimate.
Frequently asked questions
Why are the lentils still firm?
Lentils vary with age and storage, so the stated simmer is a guide rather than a guarantee of tenderness. Check a few pieces before serving. If they remain chalky, keep the simmer gentle and maintain enough liquid for them to soften without sticking.
What consistency should the curry have?
It should be spoonable and cohesive, with liquid surrounding the softened lentils. A spoon drawn across the pan should leave a trail that slowly closes. If it stands in a stiff mound, loosen it with water; if very loose, let it reduce gently while stirring.
More recipes to try: Hearty Lentil Vegetable Soup · Mediterranean Lentil Salad.
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