1 (8 oz.) pkg. cream cheese
1 c. sour cream
1 large handful Mozzarella cheese
A few shakes Parmesan cheese
1 small onion, finely chopped
1 - 1 1/2 c. chopped sealegs, seasticks, crabmeat or shrimp

Mix all ingredients. Bake at 375 degrees, uncovered for 35 to 40 minutes. Serve with Ritz crackers. Serves 8 to 10.