Cook the yams and raw banana cut into chunks with red chili powder, turmeric, and salt, adding very little water, and cook them well.
Grind grated coconut, cumin, and black pepper to a fine paste.
Add the ground coconut paste to the cooked yams and plantains.
Simmer for a while, then add curry leaves.
Add beaten yogurt and mix well.
Heat coconut oil and add mustard seeds; once they splutter, toss in the dry red chilies and curry leaves.
Transfer to a serving dish and serve.
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Notes
Prevent discoloration- Soak the cut plantain chunks in water if not using them immediately to keep them from turning dark.
Save prep time- Frozen yams and grated coconut work great for this recipe as they’re pre-cut and grated, which makes the cooking process quicker and easier.
Avoid curdling - Lower the heat before adding the ground coconut paste and beaten yogurt. This ensures you get a smooth and creamy gravy.
Don’t skip the tempering. The final tempering in coconut oil adds depth and authentic flavor, so it’s an essential step for the best and authentic taste.