Crush 3/4 cup freeze-dried strawberries. Mix with 4 tablespoons softened butter, 3/4 cup confectioners’ sugar, 1 ounce melted white chocolate and a pinch of salt in a medium bowl until smooth. Sandwich 1 heaping teaspoon of the mixture between 2 Trefoils; repeat to make 16 sandwiches. Freeze until firm, 10 minutes. Melt 4 ounces chopped white chocolate with 2 teaspoons coconut oil in the microwave in 30-second intervals; let cool slightly. Dip the sandwich cookies in the chocolate; top with crushed freeze-dried strawberries. Refrigerate to set.