Hamburger Skillet Dinner

Real comfort food! Filled with beef, pasta, veggies, and cheddar cheese. 1 (7oz) package small pasta shells, or other small pasta 1-1/2 pounds lean ground beef 1 large onion, chopped 1 celery rib, chopped 3 garlic cloves, minced 3 cups cubed cooked potatoes 1 (15-1/4...