Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: heat oven to 350 degrees. cook onion and green pepper in margarine until tender. stir in flour and pepper. add milk and bring to a boil, stirring constantly. reduce heat and add cheese and mayo; stir until cheese melts. add potatoes and ham; put into casserole dish. bake for 30 minutes.

Target recipe: cook the potatoes and the onion, (whole), in the microwave or in boiling water until just tender. cool. cut the potatoes and the onion into thick slices. melt margarine in a microwave proof jug (or in a saucepan), stir in flour and mustard. add evaporated milk and water. microwave for 3 minutes (or return pan to heat and simmer 3 minutes). add the crumbled stock cube and parmesan cheese. place half the sliced potatoes in a casserole dish, place the onion and chopped bacon on top. spoon half the sauce over, then layer remaining potatoes and sauce. sprinkle with breadcrumbs and more parmesan if desired. bake uncovered for 25minutes at 200 deg c.