Cheeseburger Casserole

Rotini noodles (1lb)

Ground beef (1 lb)

Garlic (1 teaspoon diced)

Salt (1 teaspoon)

Pepper (1 teaspoon)

Worcestershire sauce (2 tablespoons)

Onion (1/4 cup diced)

Ketchup (1/3 cup)

Mustard (yellow, 2 tablespoons)

Cheese (cheddar, 2 cups shredded)

Diced tomatoes (28 oz can)