Crunchy Fried Shrimp

2 lbs peeled jumbo shrimp
Crisco shortening, melted
2/3 c flour
1 1/3 c cornstarch
1/2 t salt
1/2 t baking powder
6 egg whites
2/3 c water or less
4 T oil
cornflake crumbs or pancko

In a medium bowl, stir flour, cornstarch, salt, baking powder, egg whites, water and oil together with a whisk. Pour out a liberal amount of cornflake crumbs on a dinner plate. Roll each shrimp well into batter mixture and quickly roll in cornflake crumbs. Deep fry shrimp about 7 at a time till golden brown. Drain on paper towels. Serve with cocktail sauce.