Yield: 6 servings
Heat oil in large skillet over medium heat. Add onion and bacon; cook until onion is tender. Add beef; cook and stir about 5 minutes or until beef is done. Stir in tomato, salt and pepper. Stir chopped cheese into beef mixture. Spoon mixture into cooked pasta shells; place in greased 13x9 inch baking dish.
Cut carrot into very thin strips. Cut small slit into olives; poke one end of thin carrot strips into olives for eyes. Cut red bell pepper into fang shapes. Slice pickle lengthwise into tongue shape. Cut cheese slice into zig-zag pattern for teeth.
Bake shells at 350 degrees for 3-5 minutes or until shells are hot; remove from oven.
Decorate as desired with olive and carrot eyes, bell pepper fangs, pickle tongue and cheese teeth. Serve at once.
Please note that some ingredients and brands may not be available in every store.