Ingredients. 2 pounds ground chuck. 1 (6-ounce) can tomato paste, divided. 2 large eggs, lightly beaten. 1 cup crushed saltine crackers. 1/2 cup finely chopped onion. 1/2 cup finely chopped celery. 4 tablespoons Dijon mustard, divided. 3 tablespoons Worcestershire sauce.