Rinse fish thoroughly; pat dry, and set aside.
Sprinkle breadcrumbs in bottom of a 9-inch square baking pan. Arrange fish over breadcrumbs.
Combine next 7 ingredients in a small saucepan; bring to a boil, stirring until butter melts. Remove from heat; pour over fish. Sprinkle with paprika.
Bake, uncovered, at 450° for 20 minutes or until fish flakes easily when tested with a fork.
Transfer fish to a warm serving platter. Garnish with parsley, if desired.