Lobster Pinoy Style

4 pcs. large prawns
2 tbsp. butter 2 tbsp. flour
1 cup evaporated milk 1 tsp. salt
1 tsp. vetsin
3/4 cup grated cheese 1 ts. calamansi juice 2 tbsp. bread crumbs 1 egg yolk
1 med. sized onicn, finely chopped

Cook prawns in a little water over low fire for 1 hour. Cut shell at the back and scoop out meat. Set aside the shell. Chop meat coarsely.
Saute onion in butter, lower heat and add flour. Stir well. -Remove from heat and gradually add milk, egg yolk (slightly beaten), and half of the grated cheese. Season with salt, vetsin, and calamansi juice. Lastly, add the prawns meat. Continue cooking until mixture thickens.

Fill prawns shell with cooked mixture, top with bread crumbs and the remaining grated cheese. Bake in preheated oven (375°F). Bake for 20-30 minutes or until topping becomes golden brown.