Baked Orange Roughy

Orange roughy or other good baking fish
2 tablespoons melted butter per pound of fish
1 tablespoon lemon juice per pound of fish
1 teaspoon chopped onion per pound of fish

Preheat oven to 400 degrees
Wash fish and pat dry
Combine butter, lemon juice and chopped onion
Place fish in uncovered, ungreased glass baking dish
Pour butter blend on top and bake 25-30 minutes until fish becomes flaky