COMBINE flour, sugar, cornstarch, baking powder, cinnamon, salt, ginger and nutmeg in large bowl. Combine egg yolks, milk and pumpkin in medium bowl; mix well. Add to flour mixture. Stir in butter. Beat egg whites in small mixer bowl until soft peaks form. Gently fold into pumpkin mixture.
PREHEAT waffle iron according to manufacturer's directions. Depending on size of waffle iron, pour 1/2 cup to 1 1/2 cups batter onto hot iron. Generously sprinkle with nuts. Bake for 4 to 5 minutes or until steaming stops. Repeat with remaining batter and nuts. Serve with Pumpkin Maple Sauce.
NOTE: This recipe makes 8 waffles of 7-inch diameter.
FOR PUMPKIN MAPLE SAUCE
HEAT 1 cup maple syrup, 3/4 cup LIBBY'S® 100% Pure Pumpkin and 1/4 teaspoon ground cinnamon in small saucepan until warm.