1 qt + 1 CUP (unsifted) of powdered sugar, unsifted
1 tsp of vanilla extract
3/4 cup of lightly salted butter
Steps
In a mixing bowl using a paddle attachment, cream the eggs, oil precooked and mashed squash and sugar on medium speed.
In a separate bowl mix flour, baking powder, baking soda, salt, cinnamon, ginger, cloves, and nutmeg. Add to above mixture. Mix at low speed for 1 minute.
Pour into a greased and floured 18"x26"x1" sheet pan.
Bake in a conventional oven at 350 degrees for 25 minutes or a convection oven at 325 degrees for 20 minutes or until toothpick inserted in the center comes out clean.
Beat together the cream cheese, powdered sugar, vanilla, and softened butter. Add 1 tablespoon milk, if needed, for desired consistency.
