In a large skillet, over medium high heat, saut� mushrooms, onions, garlic, Ital ian seasoning, and pepper in margarine until tender. Remove from heat. Stir in cottage cheese, spinach, and Egg Beaters. Spoon mixture int o shells.
Spread half cup spaghetti sauce in the bottom of a 13X9X2 inch baking dish. Arra nge shells over sauce. Top with remaining sauce; cover. Bake at 180ºC or 35 minutes or until hot from the Frozen Assets List by frozen-assets@xc.org (Tom&Carol Hogan) on Jul 2 8, 1998.