
3½ cups all-purpose flour
2 teaspoons baking powder
2 teaspoons baking soda
1½ teaspoons salt
2 teaspoons cinnamon
¾ teaspoon ground nutmeg
1 teaspoon ground cloves
6 eggs
29 ounces pumpkin puree
1½ cups granulated sugar
1½ cups brown sugar
1⁄2 cup maple syrup
2½ sticks (1¼ cups) butter, melted
28-ounce packages cream cheese
3 sticks (1½ cups) butter
2 tablespoons pure maple syrup
2 teaspoons imitation maple extract
7 cups confectioner's sugar + additional confectioner's sugar
1 cup chopped walnuts