Pumpkin Pie Filled Snickerdoodles

Ingredients

• 1 cup butter
• 1 1/4 cups white sugar
• 3 egg yolks
• 1 tsp vanilla extract
• 2 1/2 cups all-purpose flour
• 1 tsp baking soda
• 1/2 tsp cream of tartar
• 2 tbsp white sugar
• 1 tsp cinnamon
• 1/2 tsp pumpkin pie spice
• 1 cup pureed pumpkin
• 1/2 cup milk
• 1/3 cup white sugar
• 1 egg
• 1/2 tsp cinnamon
• 1/4 tsp salt