Cheeseburger Pie

1 lb lean ground beef
1/2 med onion, diced
1 garlic clove, minced
1/2 tsp pepper
1/2 cup ketchup
1 Tbsp worcestershire sauce
12 oz pkg Velveeta shells and cheese dinner
1/2 cup chopped tomatoes
1/4 cup green onions

Saute ground beef and next 3 ingredients in a 10 in ovenproof skillet over med heat 5-7 minutes. Stir until beef crumbles are no longer pink. Drain and return to skillet. Stir in ketchup and worcestershire sauce.
Prepare shells and cheese as directed. Stir into meat mixture. Bake at 350 for 15 minutes or until thoroughly heated. Sprinkle evenly with tomatoes and green onions.
Tip: If you do not own an ovenproof skillet, simply wrap the handle of your skillet with heavy duty aluminum foil. Serves 6. Enjoy!