Step 1: Sauté Aromatics : Heat coconut oil in a pot over medium heat. Add onion and cook for 4–5 minutes until soft. Add garlic and ginger; sauté for 1 minute until fragrant.
Step 2: Add Sweet Potatoes and Spices : Stir in sweet potatoes, cumin, coriander, turmeric, salt, and pepper. Cook for 2 minutes to toast spices lightly.
Step 3: Simmer :Pour in vegetable broth. Bring to a boil, then reduce heat and simmer for 20–25 minutes, until sweet potatoes are tender.
Step 4: Blend : Remove from heat and blend soup using an immersion blender or regular blender until smooth.
Step 5: Finish with Coconut Milk : Return soup to low heat. Stir in coconut milk and lime juice. Adjust seasoning as needed and warm gently.