Zingy Coconut-Lemongrass Sweet Potato Soup

A dash of lime juice brightens up this comforting lemongrass sweet potato soup. A simple vibrant coriander chutney further deepens the flavour.

Recipe

Serves: 2 | Time: <45 min

Ingredients

For the soup

  • 1 tbsp olive oil
  • 1 small onion
  • 1 large garlic clove
  • a thumb of ginger
  • 2 lemongrass stalks
  • 2 orange sweet potatoes (about 600g | 1.3lb)
  • 200ml coconut milk
  • 150ml chicken or vegetable bouillon
  • 1/2 lime juice only

For the coriander chutney (optional)*

  • 10g coriander (0.3oz | leaves & stems)
  • a small thumb of ginger
  • 1/4 to 1/2 tsp chili flakes
  • 1/2 lime juice only
  • 1/8 tsp sugar any
  • 1 tbsp olive oil
  • Pinch of salt

(*) You can skip the coriander chutney altogether or replace with fresh coriander leaves.

Method

Make the soup

  1. Pre-heat olive oil in a sauce pan over medium heat.
  2. Peal and roughly chop onion and potatoes.
  3. Finely dice garlic, ginger and lemongrass (outer leaves removed).
  4. Add onions to the pan and cook until soft and translucent (approx. 5min). Stir occasionally, the onions should not brown.
  5. Add ginger, garlic and lemongrass. Fry until fragrants (approx. 2min).
  6. Add sweet potatoes and coat well.
  7. Add broth and coconut milk. If needed add extra water to cover the potatoes.
  8. Bring to a boil and simmer for 20min or until the potatoes are soft.
  9. Blend, add juice of half a lime. If you want to thin out the soup add water. To thicken return to heat and reduce.

Make the coriander chutney (whilst the soup is cooking)

  1. Blend all chutney ingredients together. Adjust seasoning to taste.

Serve

  1. Serve soup with a dollop of chutney on top (if using).
  2. Enjoy!

Substitutions

I highlight here the core of the dish and suggest some possible substitutions to adapt the soup to your preferences, diet and ingredients available to you.

Core: Coconut milk, sweet potato, lime.

Substitutions:

Recipe componentsPossible substitutions*
Sweet Potato• Butternut squash
• Carrot
Lemongrass• Lemon zest
• Lime leaves
Lime• Rice wine vinegar
Coriander (Cilantro)• Green onions (scallions)
• Thai Basil

• Basil
(*) Substitutions are only suggestions, adapt to your taste, diet, and ingredients available to you. Not all substitutions have been tested.