Place freeze dried strawberries in a food processor or blender and blend it until it a fine powder , set aside
Place room temp butter in a stand up mixer and beat until fluffy
Add the strawberry powder and beat untill incorporated
Beat in strawberry extract
Add a powdered sugar a half a cup at a time and alternate adding milk until desired consistency
Beat until smooth and fluffy
This is ready to be piped or spread on cakes or cupcakes