Heat butter in a cooker add corn flour and saute for one to two mins.

Add chopped bottle gourd,onion,ginger,garlic and saute for one mins

Now add three cup of water and salt and pressure cook for five mins

Once cooled,strain it and blend in the blender

Add in the serving bowl and pour lemon juice and black pepper powder and mix well.

Garnish with,coriander leaves and roasted cumin seeds