Step 1

Preheat the oven to 350°F.

Step 2

Lightly oil a small baking dish.

Step 3

Gently wash and stem mushrooms; pat dry (Save stems for another recipe).

Step 4

Combine clams, onions, garlic salt, minced garlic, butter and oregano in a bowl and mix well.

Step 5

Add Italian bread crumbs, egg, clam juice, mixing well.

Step 6

Add Parmesan, Romano, and Mozzarella cheeses to the clam stuffing and mix well.

Step 7

Place approximately 1 1/2 teaspoons of the clam stuffing mixture inside mushroom cavity and slightly mound (You should be able to stuff between 8- 12 mushrooms depending on the size of mushrooms).

Step 8

Place the stuffed mushrooms in slightly oiled baking dish and pour 1/4 cup melted butter over the top of the mushrooms.

Step 9

Cover and place in oven for about 35- 40 minutes.

Step 10

Remove cover; sprinkle the 1/4 cup freshly grated mozzarella cheese on top and pop back in oven just so the cheese melts slightly.

Step 11

Garnish with freshly diced parsley.

Step 12

Serve hot.