Gluten-Free Peanut Butter Cookie Cups

Ingredients
1 box (19 oz) Betty Crocker® Gluten Free chocolate chip cookie mix                        

1 egg                        

1/2 cup butter, softened                        

1 teaspoon vanilla                        

1/2 cup creamy peanut butter                        

60 miniature chocolate-covered peanut butter cup candies, unwrapped