Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], 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: put margarine (or butter) into large glass bowl, and microwave on high for 1 minute, or until melted. (if you really like cleaning your microwave, feel free to use a smaller bowl.). blend in flour, salt and pepper. gradually stir in milk. microwave on high 8-10 minutes, stirring after 4 minutes. layer half the potatoes and onion in a greased 2-quart casserole dish. top with half the prepared sauce, then the rest of the potatoes and onion, then the rest of the sauce. cover and microwave on high 20 minutes, or until done. (cooking times will depend on the strength of your microwave; i think ours is in the 1,200-watt range, and 20 minutes usually works just fine for us).