Heat oven to 350°F. Place mini paper baking cup in each of 24 mini muffin cups. Spray paper baking cups with cooking spray.
Place 1 level measuring tablespoonful cookie dough in each paper baking cup.
Bake 10 to 12 minutes or until dark golden brown. Immediately press peanut butter cup candy into center of each cookie cup. Cool 5 minutes; remove to cooling rack. Cool 10 minutes. Refrigerate until set, about 1 hour.