Home made

Ingredients:
9 pieces medium-sized prawns                                    3 pieces calamansi or lemon
3 cloves minced garlic                                                 1 tbsp. soy sauce
1 medium sized onion, finely chopped                          1/2 big green pepper, finely chopped
1/2 cup celery, finely chopped                                     1/2 big red pepper, finely chopped
3 slices ham, chopped                                                 3 pieces bacon chopped
1 cup shrimps, shelled and chopped                            3/4 tsp. seasoning
1 cup bread crumbs                                                    1/4 cup grated cheese
SAUTE:
2 yolks of hard-cooked eggs                                      
1/2 green pepper, finely chopped
1 tbsp. chili sauce
3 tbsp. catsup
1/2 red pepper, finely chopped
Wash prawns and dip in boiling water until slightly red.
Set aside to drain.
With a sharp scissor cut shell bank lengthwise from head to tail very carefully so as not to destroy
  the shell.
Cut through the meat, open and marinate in mixture of calamansi or lemon juice, and soy sauce.
Set aside for a few minutes before removing meat from shell, then chop them finely.
Heat butter in a frying pan; saute garlic until brown add onions, celery,peppers, ham chopped shrimps
  and prawn meat then seasoning.
Stuff prawn shells with above mixture.
Cover with bread crumbs and top with grated cheese.
Bake in hot oven for 20-25 minutes.
Prepare sauce.
Mash egg yolks and combines with the rest of ingredients, blend well.
If sauce is too thick, add hot water as needed.