- 4 medium red potatoes, thinly sliced
- 2 medium onions, finely chopped
- 1 1/2 cups cubed fully cooked ham
- 2 tablespoons butter or margarine
- 2 tablespoons all-purpose flour
- 1 teaspoon ground mustard
- 1/2 teaspoon salt
- 1/2 teaspoon pepper
- 1 (10.75 ounce) can condensed cream of celery soup, undiluted
- 1 1/3 cups water
- 1 cup shredded Cheddar cheese
- In a slow cooker, layer potatoes, onions and ham. In a saucepan, melt butter. Stir in flour, mustard, salt and pepper until smooth. Combine soup and water; gradually stir into flour mixture. Bring to a boil; cook and stir for 2 minutes or until thickened and bubbly. Pour over ham. Cover and cook on low for 8-9 hours or until potatoes are tender. If desired, sprinkle with cheese before serving.