In the bowl of a stand mixer fitted with the paddle attachment, beat butter at medium speed until smooth, 2 to 3 minutes. Add white chocolate, beating well. Reduce mixer to low speed. Gradually add confectioners’ sugar and salt, beating until combined. Add coconut milk and coconut extract, beating until light and fluffy, 2 to 3 minutes. Use immediately.
Recipe by TeaTime Magazine at https://www.teatimemagazine.com/matcha-macarons/