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: layer potatoes, flour, milk, and salt and pepper (if desired) in a large casserole dish in several layers, then top with cheeses and paprika. bake at 350°f for 1 1/2 hours. optional crockpot method: spray crock pot with non-stick spray. layer ingredients in crockpot as directed for oven method. cook on high about 5 hours, until potatoes are tender. all cooking times are approximate. preparation time allows for peeling and slicing potatoes. cooking time is for oven method.