olive garden-style stuffed mushrooms

Ingredients

• 12 - fresh mushrooms
• 1 can (6 ounce size) clams (drained and finely minced)
• 1/4 cup clam juice for stuffing
• 1 - green onion, chopped finely
• 1/8 teaspoon garlic salt
• 1/2 teaspoon minced garlic
• 1 tablespoon melted butter, cooled
• 1 teaspoon oregano leaves
• 1/2 cup italian style bread crumbs
• 1 - egg, beaten
• 2 tablespoons finely grated parmesan cheese
• 1 tablespoon finely grated romano cheese
• 2 tablespoons finely grated mozzarella cheese
• 1/4 cup inely grated mozzarella cheese, for garnish
• 1/4 cup melted butter, for topping
• - freshly chopped parsley, for garnish