Indian Cooking Recipe : Moor (Buttermilk) Rasam (Method 2) Ingredients : 2-3 cups buttermilk 1 tsp methi a small pinch hing 3 to 4 red chillies ¼ tsp mustard ¾ tsp salt ½ tsp cooking oil Method : Heat some ghee and put the mustard in it. When they crackle, add methi, hing, red chillies, and curry leaves, and add it to buttermilk.