and one beaten egg to bind it. Blend in 6 tbs ricotta. Stuff into the shells. Pre heat oven to 350 degrees. In a large casserole dish arrange shells on a bed of spicy tomato sauce. Bake for 15 minutes. Remove top with shredded mozzarella cheese and bake 5 minutes more. Options: You can use 1 lb (14 pieces) manicotti instead of shells. If you can only get jumbo shell (34 to a lbs) fill with about a tbs per shell.