Lg. box lg. shells
8 oz. grated cheese (Parmesan)
8 oz. finely grated Mozzarella or Provolone cheese
1 lg. onion, finely chopped
32 oz. cream cheese
12 oz. sour cream
1/4 c. pepper
1/4 c. garlic salt
1/4 c. oregano

Boil shells, then cool in cold water. Cook onion in microwave until soft. Mix all ingredients together and fill shells. Cover with meat sauce and bake 20 minutes at 350 degrees.

Serves 8-10.