Whip potatoes and butter. Add ... in a buttered casserole and sprinkle with bread crumbs ... made a day ahead. Optional: Add 1 tablespoon ... or grated Cheddar cheese.
Ingredients: 7 (cheese .. crumbs .. milk .. salt ...)
Cook macaroni according to package ... refrigerator; let stand at room temperature for 30 minutes. Bake uncovered at 350 degrees for 45 minutes. Makes 6-8.
Combine all ingredients but cheese in a large casserole dish and top with cheese. Refrigerate overnight or make up and put in refrigerator ... hour and 30 minutes.