Step 1

Preheat oven to 375º F. Line baking sheet with parchment paper and set aside.

Step 2

In a medium bowl, whisk together flour, baking soda and salt. Set aside.

Step 3

In the bowl of a stand mixer (or using a hand mixer and a large bowl), combine 1/2 cup granulated sugar, brown sugar, butter, and peanut butter. Beat until combined and fluffy, about 2 minutes. Scrape down the sides when necessary. Add egg and vanilla. Beating until mixed, about 30 seconds.

Step 4

With the mixer on low, slowly add the flour mixture and beat just until combined.

Step 5

Scoop a full tablespoon of dough and roll into 1 inch balls. Roll the cookie dough ball in the extra sugar and place on baking sheet. Place balls 1 1/2 inches apart.

Step 6

Bake for 10 minutes, or until light golden brown, then remove from oven and allow to cool for only 3 minutes before pressing mini Reese's cup into the center. Immediately transfer to a wire rack to cool.

Step 7

Melt chocolate chips in microwave at 50% power levels topping to stir every 15 seconds until melted. Transfer to a plastic baggie, snip the corner and pipe melted chocolate on the cookies to make spider legs. Place a dab of chocolate on the back of the candy eyes and press them onto the Reese's cup. Allow chocolate to set before serving.