Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: peel and thinly slice potatoes. toss slices in 1 cup water and 1/2 tsp cream of tarter. drain in colander. this step is necessary so that potatoes don't turn brown. put half of sliced potatoes in greased crockpot. 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 for 7 to 9 hours or high for 3 to 4 hours. add cheese slices 30 minutes before serving.

Target recipe: in a bowl mix the cream of mushroom soup, milk, salt and pepper; set aside. grease a 13"x9"x2" oven proof dish. put 1/3 of the potatoes, 1/3 of the onions, 1/3 melted butter, 1/3 flour and a 1/3 of the soup mixture in the greased dish (take a minute to arrange them evenly). repeat with two more layers, ending with the soup mixture. bake uncovered at 350 degrees fahrenheit for 1 and 1/2 hours or until potatoes are done and golden.