Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: grease 1 1/2 quart casserole. set aside. in small saucepan melt butter. stir in flour, salt and pepper. blend in milk and half-and-half. cook on medium high heat, stirring constantly, until heated through. set aside. layer one-third of potato slices, half of onion, one-third of parsley, one-third of cheese and one-third of sauce in casserole. repeat layers. top with remaining potatoes, parsley, cheese and sauce. bake in 375f degrees convection oven on rack 3, 45-60 minutes (or bake in preheated 375f degrees radiant bake oven 1-1 1/4 hours) or until sauce is bubbly and potatoes are tender.

Target recipe: preheat oven to 375°f. toss together potatoes and onion with butter in a 9-inch baking dish. cover tightly and place in preheated oven for 30 minutes. in a small pot, combine milk, pepper and salt and bring to a boil. remove from heat. pour the milk mixture over the potatoes and sprinkle with cheese. replace in oven, uncovered, for another 20 to 25 minutes. if the potatoes are soft and the gratin is golden brown, it is ready to serve. if not, preheat broiler and broil for about 3 minutes to brown top before serving.