Alton Brown looks at the difference between metal and glass cookware and how to prepare casseroles. Delves into the history, varieties and uses of potatoes. Looks at starch and how to make gratin. Shows how to make oven, stove top, and fried maccaroni and cheese. Includes the following recipes: Broccoli casserole ; Curry chicken pot pie ; Garlic shrimp casserole ; Mashers ; Potato/Portobello Gratin ; The baked potato ; Baked macaroni and cheese ; Stove-top mac and cheese ; Next-day mac and cheese "toast."