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: for sauce: cook onion in butter until tender. stir in flour, salt and pepper. add milk, all at once. cook and stir until thickened and bubbly. stir 1 1/2 cups cheese into sauce until melted; remove from heat. place half the potatoes in a greased 1 quart casserole dish. cover with half the sauce. repeat layers. bake, covered, in a 350 degree oven for 35 minutes. uncover; bake 30 minutes more or until potatoes are tender. sprinkle rest of cheese over top. let stand 5 minutes.