Step 1

Combine butter, sugars, and pumpkin pie spice in a medium mixing bowl and beat with an electric mixer until creamy.

Step 2

Add pumpkin and egg yolk and beat until smooth.

Step 3

Mix in flour and baking powder and beat on low speed until combined; stir in oats and chocolate chips.

Step 4

Drop dough 2 inches apart on ungreased cookie sheet (*cookies are easiest to remove if sheets are lined with parchment paper.)

Step 5

Bake at 350° F 16-20 minutes or until edges are golden brown.

Step 6

Cool on cookie sheet 10 minutes; remove to a wire rack to cool completely.