Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], recipe: preheat oven to 350 degrees. spray a 9x13" glass or ceramic baking dish with nonstick cooking spray. in a large pot, melt the margarine over medium-high heat. add the flour, stirring constantly. add the onions, mayonnaise, salt and chicken stock. stir until smooth. cook until sauce thickens. with a ladle, place a layer of the sauce into the bottom of the prepared pan. spread a layer of overlapping potatoes. layer sauce. layer potatoes. layer sauce. sprinkle top with pepper and paprika. bake uncovered for 1 1/2 hours or until golden.

Target recipe: for sauce, melt butter in a saucepan, then blend in flour. cook over moderate heat and slowly stir in milk. season with salt and pepper and continue cooking until sauce is smooth and boiling. reduce heat and add cheese, stirring, until cheese is blended, then add green pepper/pimento mixture, stir, and remove from heat. grease a baking dish and fill with alternate layers of potatoes and sauce. bake in moderate oven, 350 degrees, until potatoes are done, about 1 to 1-1/2 hours. potatoes may be turned with a spoon to ensure even cooking.