Ingredients

• oil for frying
• 10
  ml
  black and yellow mustard seeds
• 3
  ml
  chilli paste
• 5
  ml
  minced ginger
• 2
  cloves garlic
• 1
  onion
• 1
  medium butternut
• 3
  medium potatoes
• 1
  large sweet potato
• 1
  medium table queen squash
• 410
  g
  whole peeled tomatoes
• 400
  g
  coconut milk or cream
• 5
  ml
  heaped, vegetable or chicken stock powder
• 30
  ml
  fish sauce
• 3
  ml
  sugar
• 250
  ml
  water
• fresh coriander to serve