Red Velvet Cookie Sandwich

I've made these for 2 family events the last 2 weeks and everyone loved them! They're just like my oreo cookies but I think they are easier and not as sticky!
COOKIE
1 box red velvet cake mix
1/2 cup butter, softened to room temperature
2 eggs
-Preheat oven to 350 degrees.
-Mix ingredients until combined
-Drop teaspons full of dough onto an ungreased baking sheet about 2 inches apart.
-Bake 10-12 minutes and cool.
CREAM CHEESE FILLING
1/2 cup butter, softened to room temperature
1 8oz pkg of cream cheese, softened to room temperature
1 lb pkg powder sugar
1 tsp vanilla
-In a mixer, cream butter, cream cheese, and vanilla
-Gradually add sugar, mix until smooth
*Makes about 24 cookies or 12 cookie sandwiches