Pour brownie mix into a large mixing bowl with the flour and eggs.
Pour in melted butter and mix well.
Refrigerate for one hour.
Roll the dough into tablespoon sized balls.
Roll in powdered sugar.
Place on non-stick baking sheet or lay out a piece of parchment paper and place on top of that.
Bake for 12 minutes or until cookies are set at 350 degrees.
Serve & enjoy!!!