Peel shrimp, leaving tails on; devein shrimp, if desired. Butterfly shrimp by making a deep slit down the back of each from the large end to the tail, cutting to, but not through, the inside curve of shrimp.
Divide each crab cake evenly into 4 portions. Shape 1 portion evenly around each shrimp, forming a ball (leave tail exposed). Repeat procedure with remaining crab cake portions and shrimp. Divide shrimp evenly between 2 large ramekins. Sprinkle evenly with breadcrumbs; spoon Butter Sauce over shrimp.
Bake at 400° for 15 minutes or until golden. Garnish, if desired.