Preheat oven to 350 degrees. Line muffin pan with 12 paper liners.
In a medium bowl, combine coconut and condensed milk. Mix until well combined. Set aside.
In a large bowl, mix brownie mix according to package directions. Pour batter into muffin cups, about 2/3 full. Scoop tablespoonfuls of coconut mixture into balls and drop into center of brownie batter in each cup. Flatten slightly.
Bake for 25-30 minutes or until centers have risen and coconut is slightly toasted. Remove from oven and cool before icing with chocolate frosting.