If you've been entertaining lately and are now the proud owner of a fridge full of extraneous yams, sweet potato casserole, and beer, I've got the perfect recipe for you. This one's a moisturizing and clarifying mask from Return to Beauty, a book of traditional skincare recipes. Just take a cup of your sweet potato (if it's already mashed or casseroled, great; if it's whole, boil it and smash it up) and add two tablespoons of beer. Apply the mask all over your face and neck, and keep it on for 15 minutes. Rinse with lukewarm water and apply your toner or moisturizer. Easy, festive, and helps you clean out your fridge.