three-in-one seafood casserole

Ingredients

• 1 tablespoon minced parsley
• 1 teaspoon salt
• 1 pound uncooked scallops/thaw if frozen
• 1/2 cup butter (one stick)
• 2 teaspoons lemon juice, fresh
• 1- 3 oz cans sliced mushrooms//reserve liquid
• 4 tablespoons flour
• 1 cup half-and-half
• 1 cup grated cheddar cheese
• 1/2 pound shrimp/cooked, peeled, deveined
• 1/2 pound flaked crab or lobster
• 1 cup dry white wine
• 1 small thinly sliced onion