Sweet potato and red pepper thaï soup

Ingredients

• 1 large sweet potato, cut in cubes but not peeled
• 1 red pepper, seeds removed and diced
• 2 garlic cloves
• 1 lemongrass stick thinly chopped to avoid the rough fibers and/or 1 lime leaf
• 1 small chunk of ginger root
• 1 large pinch of cumin
• 1 tsp powdered turmeric
• 1 TBS of coconut oil or cream
• Sea salt
• 1 tsp of black sesame seed per serving