Au Gratin Potatoes and Ham

20 pounds red potatoes
8 pounds fully cooked ham, cubed
4 cans (10� oz. each) condensed cream of celery soup, undiluted
2 quarts milk
� cup all-purpose flour
6 pounds process American cheese, cubed
2 tsp. pepper
2 tsp. paprika

Cook potatoes until tender; cool. peel if desired and cut into cubes.

Place about 6 cups of potatoes each in eight greased 13-in. x 9-in. x 2-in. baking pans. Add about 3 1/2 cups of cubed ham to each pan. In a large Dutch oven over medium heat, combine soup, milk and flour until smooth; bring to a boil. Cook and stir for 2 minutes or until thickened.

Add cheese, pepper and paprika. Reduce heat and cook until cheese is melted. pour about 2 1/4 cups of sauce into each pan.

Cover and bake at 350� for 40 minutes. Uncover and bake 5-10 minutes longer or until bubbly.

Yield: 140 (1 cup) servings