Preheat oven to 375°.
Combine Lipton Recipe Secrets Onion Soup Mix, sour cream, Swiss cheese and mayonnaise in 1-quart round casserole dish.
Place the pepperoni on top of the dip with the sliced olives to create the eyes.
Use a pizza wheel to cut the puff pastry into 1/2-inch strips. Drape the strips across the top of the casserole dish to resemble a mummy face., Gently press the strips over the edge of the dish. Brush with beaten egg and bake 20 minutes or until the puff pastry is golden brown.
Serve with your favorite dippers.