Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: melt butter in large sauce pan over low heat; blend in flour, salt, and pepper. cook, stirring constantly, for about 1 minute. remove from heat gradually stir in milk. return to heat; cook until thickened and bubbly. fold in ham, onion, green pepper and cheese. pour over potatoes in a large bowl. stir gently then move into a buttered 13x9-inch baking dish; cover with foil. bake at 350 degrees for 30 minutes. uncover and continue to bake for 1 hour. let stand for 10 minutes before serving.

Target 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. top with half of the cooked cubed ham. 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.