Preheat oven to 350F
Drain the chickpeas and coat with curry powder. Bake for 30 minutes or until crispy. Set aside
Cut the sweet potatoes into cubes. Slice the onion into small pieces and mince the garlic.
Heat 12 tbsp of vegetable oil in a large pot. Add the onion and garlic, pour in the white wine. Cook for a few minutes before adding the broth and the sweet potatoes. Season slightly with salt and pepper, You can adjust seasoning later. Cook for 15 minutes on medium heat.
Add the lime juice and coconut milk. Puree the soup using a hand blender. Adjust seasoning as desired. Let simmer for 3-5 minutes and add more water if needed.