Chocolate Pie Cookie Cups

Heat oven to 375°F. Spray 36 mini muffin cups with cooking spray.

In large bowl, stir cookie mix, butter and egg until soft dough forms. Shape dough into 36 (1-inch) balls, about 2 teaspoons each; press 1 ball into each mini muffin cup.

Bake 6 to 9 minutes or until edges are golden brown. Immediately press indentation into center of each cookie cup with handle of wooden spoon. Cool 10 minutes in pan on cooling rack. Run metal spatula around edge of each cookie cup to loosen; cool in pan 20 minutes. Remove cookies from muffin cups to cooling rack.

In small microwavable bowl, microwave 1/2 cup chocolate chips uncovered on High 45 to 60 seconds, stirring after 30 seconds, until melted and stirred smooth. Stir in 1 cup of the frosting and the marshmallow creme, mixing well. Spoon frosting mixture into large resealable food-storage plastic bag; cut tip from one corner of bag. Immediately pipe about 2 teaspoons frosting mixture into center of each cookie cup.

Spoon remaining 1/4 cup frosting into small resealable food-storage plastic bag; cut tip from one corner of bag. Pipe small amount onto frosting mixture in cookie cups. Sprinkle with additional chocolate chips.