Make this recipe a recipe that people in that category can eat. categories: ['low_sodium'], recipe: to make sauce, cook onion in butter till tender but not brown. stir in flour, salt and pepper. add milk. cook and stir till thickened and bubbly. cook and stir 1 to 2 minutes more. remove from heat. place half of the sliced potatoes in a greased 2 quart casserole. cover with half of the sauce. repeat layers. bake, covered, in a 350* oven 45 minutes, stirring once. uncover, bake 30 to 45 minutes more or until potatoes are done.

Target recipe: preheat oven to 400 degrees fahrenheit. lightly spray a 2 quart casserole with vegetable spray. arrange a layer of potatoes in casserole, then sprinkle with some of onion, flour, salt and pepper. continue to layer until all potatoes, onion, flour, salt and pepper are used. dot top with butter, then pour milk over all. bake 20 min, then reduce heat to 350 degrees fahrenheit and bake 50 to 60 min longer or until potatoes are tender.