Preheat oven to 375 degrees. ... spinach. Grate the cheese, then melt 1-2 tablespoons ... both sides of flounder in butter. Line up flounder ... pried with a fork.
In skillet, cook onion in ... skillet. Mix. Lay flounder, skin side down; divide ... and bubbly. Add cheese. Pour over fillets. Bake ... flake easily. Serves 8.