1/3 cup sunflower seed oil
2 onions, diced
1/2 cup curry powder
1 1/2 tablespoons ground cumin
4 teaspoons ground turmeric
1 1/4 teaspoons salt
1 teaspoon white sugar
1 tablespoon ground ginger
1 teaspoon chili powder
1 1/4 teaspoons ground cinnamon
1 1/2 teaspoons ground black pepper
4 teaspoons curry paste
8 cloves garlic, pressed
1 (10 ounce) can tomato sauce
2/3 cup plain yogurt
2 bananas, diced
3 tomatoes, chopped
1/4 cup flaked coconut