Creamy Scalloped Potatoes - Crock-Pot Style - cooking recipe

Ingredients

2 lb. potatoes (about 6 medium)
1 c. water
1/2 tsp. cream of tartar
1 small onion, thinly sliced
1/4 c. flour
1 tsp. salt
1/4 tsp. pepper
2 Tbsp. butter
1 (10 3/4 oz.) can cream of mushroom soup
4 slices American cheese

Preparation

Pare and thinly slice potatoes.
Toss slices in water and cream of tartar.
Drain.
Put half of sliced potatoes in greased crock-pot.
Top with half of onion slices, flour, salt and pepper. Add remaining sliced potatoes and onions.
Sprinkle with remaining flour.
Add butter and undiluted soup.
Cover and cook on low 7 to 9 hours or high 3 to 4 hours.
Add cheese slices a few minutes before serving.