Step 1

Heat the oil in a large pot over medium heat until shimmering. Add the sweet potatoes and stir to combine. Cover and cook, stirring occasionally, for 10 minutes.

Step 2

Add the broth, lentils, turmeric, and salt. Increase the heat to medium-high and bring to a boil, stirring occasionally.

Step 3

Reduce the heat to low, cover, and simmer until sweet potatoes and lentils are tender, 20 to 25 minutes.

Step 4

Stir in the coconut milk. Purée with an immersion blender or blender until smooth, allowing the soup to cool slightly first if using a traditional blender. Taste and season with salt as needed. Add a cup of water to thin if needed.