Ingredients:

• 1 cup butter, softened
• 1 cup sugar
• 3/4 cup brown sugar, packed
• 1 large egg yolk
• 2 tsp vanilla extract
• 3/4 cup canned pumpkin (not pumpkin pie mix)
• 3 1/2 tsp cornstarch
• 1 tsp cream of tartar
• 1 tsp baking soda
• 1/2 tsp baking powder
• 1/2 tsp salt
• 2 tsp ground cinnamon
• 1/2 tsp ground ginger
• 1/2 tsp ground nutmeg
• 3 1/4 cups flour
• For rolling:  1/4 cup sugar + 2 tsp ground cinnamon, combined

Directions:

Cream together butter and sugars with electric mixer.  Add egg yolk, vanilla and pumpkin, and combine.

Add next 8 ingredients, followed by the flour, and mix until combined.

Refrigerate dough for at least 1 hour.

When ready to bake, preheat oven to 350 degrees F.

Roll and shape dough into golf ball sized balls.  Roll balls in sugar-cinnamon mixture.  Place on baking stone or sheet and bake approximately 12 minutes until tops begin to crack.  Remove from oven and allow to cool on baking stone/sheet for an additional 10 minutes.  Transfer to wire rack to cool completely.