Adapted from Culinary Chronicles
1 1/2 cups butter, room temperature
1/3 cup mango puree
3 teaspoons mango extract
3 cups icing sugar
In the bowl of a stand mixer, whip the butter until light and fluffy. Add the mango puree and extract. Whip until combined.
Slowly add the icing sugar until combined. Whip until desired consistency is reached. If icing is too thick, add milk one tablespoon at a time.