Pizza Casserole
["1 Tbsp. oil", "1 or 2 lb. beef (ground)", "1 small onion", "2 c. cooked macaroni", "1 (15 1/2 oz.) jar spaghetti sauce (any flavor)", "1 (8 oz.) pkg. Mozzarella cheese", "1 or 2 pkg. pepperoni"]
["Preheat oven to 350\u00b0.", "In large skillet, heat oil.", "Add beef and onion; cook until brown.", "Drain fat off, then add macaroni and spaghetti sauce.", "Stir it up well."]
["oil", "beef", "onion", "macaroni", "Mozzarella cheese", "pepperoni"]