Shrimp Red Curry Idlis

Name: Shrimp Red Curry Idlis
Ingredients: 1 cup white rice, soaked overnight; ⅓ cup coconut milk; 2 tablespoons greek yogurt; 6 tablespoons cup fine semolina; ½ teaspoon mustard seeds; ½ teaspoon cumin seeds; 1 teaspoon split chickpea or yellow lentils; ½ teaspoon garlic ginger paste; 2 tablespoon thai red curry paste; ½ cup prawns, shelled & deveined; 1 tablespoon olive oil; 1 tablespoon fresh coriander, chopped; A pinch of asafoetida; Salt & pepper