1/4 cup milk
1 tsp. vanilla
2 cups powdered sugar

  • heat milk and vanilla over low heat until warm
  • stir in sugar until well combined
  • remove from heat and put over a bowl of warm water
  • dip doughnuts into glaze and dry for 5 minutes before serving

source https://www.foodnetwork.com/recipes/alton-brown/doughnut-glaze-recipe-1915369