Sweet potato and red lentil soup
A silky, gently spiced soup of sweet potato, red lentils and coconut. Vegan, filling and freezer-friendly.
- Prep
- 15 mins
- Cook
- 30 mins
- Total
- 45 mins
- Serves
- 4
- Difficulty
- Easy
- Cost
- Budget
Recipe: Sweet potato and red lentil soup
Sweet potato and red lentil soup
Ingredients
For the soup
- 1 tbsp olive oil
- 1 onion, chopped
- 2 cloves garlic, crushed
- 1 tbsp fresh ginger, grated
- 2 tsp mild curry powder, choose one labelled gluten-free
- 1 tsp ground cumin
- 600g sweet potatoes, peeled and cubed
- 100g split red lentils, rinsed
- 1l vegan vegetable stock, choose one labelled gluten-free
- 200ml coconut milk, or 400ml for a richer soup
- ½ lime, juiced
- chilli flakes and coriander, to serve
Kitchen kit
- Large saucepan Search Amazon for large saucepan
- Stick blender Search Amazon for stick blender
As an Amazon Associate we earn from qualifying purchases. Amazon links go to search results for the kit, never food.
Method
-
Step 1: Soften the onion
Heat the oil in a large pan and cook the onion for 8 minutes until soft. Add the garlic, ginger and spices and cook for 1 minute.
-
Step 2: Simmer
Add the sweet potato, lentils and stock. Bring to the boil, then simmer for 20 minutes until the sweet potato and lentils are very soft.
-
Step 3: Blend
Stir in the coconut milk, then blend until smooth. Add a splash of water if too thick, season and add lime juice to taste.
-
Step 4: Serve
Ladle into bowls and top with a swirl of coconut milk, chilli flakes and coriander.
Tips
- Take care blending hot soup: don't overfill a jug blender and vent the lid.
Storing & reheating
Cool, cover and refrigerate within 2 hours; eat within 2 days; reheat until steaming hot.
Freezing
Freeze for up to 3 months. Defrost in the fridge and reheat until piping hot, stirring well.
Variations
- Swap half the sweet potato for carrots or butternut squash.
Allergies: Always check the labels of the ingredients you buy for allergens — our dietary tags are a guide, not a guarantee.
From feeed.co.uk/recipes/sweet-potato-lentil-soup/ · Checked 17 October 2026
Questions people ask
Do I need to soak the lentils?
No, split red lentils cook straight from dry.
Sources & inspiration
Checked 17 October 2026. Written in our own words; we checked proportions, technique and food safety against:
See other recipes that use the same kit on our kitchen kit pages.
