In a medium bowl, whisk together confectioners’ sugar and milk until smooth.
Test consistency of glaze by dipping a cupcake and then turning cupcake upright. (Glaze should be thick enough to cover cupcake without running.) Adjust consistency of glaze by adding extra sugar to thicken or extra milk in very small amounts to loosen.
Recipe by TeaTime Magazine at https://teatimemagazine.com/mini-golf-ball-cupcakes/