For preparing yummy fish pie, first take the ingredients for cooking fish: ginger, onion, green chillies, garlic, tomato pieces and the fish pieces in a vessel. Pour 1 cup water and required salt. Cook in low heat until the fish is done.
Remove the cooked fish pieces from the gravy and keep aside.
For preparing sauce, heat 1 tbsp butter in a pan and saute crushed garlic.
Add onion and fry for sometime. Add cooked fish pieces, capsicum, celery and saute for a few seconds. Remove the vessel from fire.
Take another pan and heat 1 tbsp of butter and fry maida in low heat.
Remove maida from fire before color change and add milk stirring slowly.
Add fish gravy and stir slowly to mix.
Add egg yolk, mustard powder, nutmeg powder, pepper powder and grated cheese, stirring slowly.(Keep some grated cheese aside for subsequent use)
Heat the cheese mixture in medium heat for a few seconds and remove from fire.
Beat the egg white and fold into the cheese mixture.
Take a baking dish and pour some cheese sauce in the base. Arrange the previously prepared cooked fish pieces. Pour the remaining cheese sauce on top of fish pieces.
Stir in some grated cheese on top of fish pie.
In a preheated oven, bake the fish mixture for 15 minutes until the top turns golden in color.
Yummy fish fry, a highly nutritious recipe is ready and serve hot.