Hot Ravioli Bake

               1 package  (12 ounces) frozen cheese ravioli
               1  1/2 pounds ground beef
               1/2 onion, finely chopped
               1 large jar spaghetti sauce (any flavor)
               2 Tbsp. crushed red pepper
               2 zucchini, thinly sliced
               1  1/2 shredded mozzarella cheese

               Cook pasta according to package directions, and drain.
               Brown meat with onion in skillet, drain grease.  Season with salt,
               pepper, and red pepper.  Stir in spaghetti sauce and zucchini.
               Layer 1/2 pasta, 1/2 sauce, 1/2 cheese in an oiled, 2 qt. baking
               dish.  Repeat layers.  Bake, uncovered, in 400 degree oven for
               15-20 minutes until heated through.