Ingredients:
ash gourd - 1/4 kg
grated coconut - ½ cup
green chilies - 3 to 4
cumin seeds - 1 tsp
ginger - 2 cm piece
turmeric powder - ½ tsp
rice flour - 2 tsp
sour curds - 1 cup
oil - 1 tbsp
mustard seeds - 1 tsp
red chili, broken into two pieces - 1
curry leaves - few
coriander leaves to garnish
salt to taste