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: heat oven to 375*f. peel potatoes. thinly slice them to make 4 cups. cover with water. melt butter, saute onions in this. stir in salt, pepper, dry mustard, and flour until blended. stir in half and half or milk and cook, stirring constantly, over medium heat until thickened. stir and boil one minute. remove from heat. line a 9 inch pie tin with pastry. drain potatoes. pat dry. using 1/3 cup each, layer potatoes, cheese and sauce in crust. repeat layers twice. cover with top crust. flue edge and vent top. glaze with a little milk or beaten egg yolk if desired. cover edge with foil. bake 25 minutes. remove foil and bake 30 to 35 minutes longer.