Hearty Meatball Stew

A quick to put together, all-in-one meal, your family will gladly come to the table to enjoy! 3 medium potatoes, peeled and cut into small cubes 1 (16 oz) package baby carrots 1 large onion, chopped 3 celery ribs, sliced 1 (12 oz) package frozen fully cooked meatballs...