Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: for sauce, melt butter in a saucepan, then blend in flour. cook over moderate heat and slowly stir in milk. season with salt and pepper and continue cooking until sauce is smooth and boiling. reduce heat and add cheese, stirring, until cheese is blended, then add green pepper/pimento mixture, stir, and remove from heat. grease a baking dish and fill with alternate layers of potatoes and sauce. bake in moderate oven, 350 degrees, until potatoes are done, about 1 to 1-1/2 hours. potatoes may be turned with a spoon to ensure even cooking.

Target recipe: sauce: in saucepan, melt butter over medium heat. add flour,salt,pepper and thyme; cook, stirring,for 1 minute. gradually whisk in milk; cook, whisking constantly, for 5 to 8 minutes or until boiling and thickened. set aside. peel and thinly slice potatoes. layer one-third in greased 8-inch (2l) square glass baking dish or casserole; spread half of the onions over top. repeat layers. arrange remaining potatoes over top. pour sauce over top. cover and bake in 350f oven for 1 hour. uncover and bake for 30 minutes longer or until lightly browned and potatoes are tender. let stand for 5 minutes before serving.