Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], recipe: layer the potatoes, ham and onions in a baking dish. prepare a white sauce: in a medium saucepan stir milk into cornstarch while stirring with a whisk. whisk until smooth. add margarine, salt and pepper. stirring constantly, bring to boil over medium heat; boil 1 minute. pour white sauce over potatoes. bake at 350f for 40 minutes or until potatoes are tender.

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.