Combine rice krispies, coconut flakes, milk powder, powdered sugar, cherries, and mint chips in a large bowl.
Pour in melted butter and stir to get everything thoroughly mixed. Divide mixture evenly into baking cups. Compact mixture using a spoon. Refrigerate for about 20 to 30 minutes to allow mixture to set.
Melt white chocolate chips with milk in a double boiler.
Drizzle melted chocolate over the top of each cup.