‘Turn your NESCO 18 Quart Roaster Oven into a hot or cold buffet-serving unit with our 3-Piece Buffet Kit. Keep appetizers, sauces, main dishes, and more hot and ready to enjoy, or use it anywhere as a cold buffet server. Simply fill the roaster cookwell bottom with ice, leave unplugged, insert the 3-Piece Buffet Unit, and you’re ready to go. With the large roaster dome cover, salads, fruits, and desserts stay chilled for hours.