Crunchy Fried Shrimp

2 lbs peeled jumbo shrimp
Crisco shortening, melted in deep fryer ('till full by manufacturer standards)
2/3 cup flour
1 1/3 cups cornstarch
1/2 teaspoon salt
1/2 teaspoon baking powder
6 egg whites
2/3 cup water
4 tablespoons vegetable oil
cornflake crumbs

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