01 -
Use a knife, spoon, piping bag, or squeeze bottle to spread or pipe the icing on cooled cookies.
02 -
Whisk together the powdered sugar, light corn syrup, milk, and vanilla extract in a medium bowl until it’s smooth and shiny.
03 -
If you want, give the icing some color with food dye, mixing it in well.
04 -
Keep the icing thick for piping. If you need it thinner for flooding, add milk a bit at a time until it’s just right.
05 -
Get creative with your decorations, then let the icing fully dry before storing the cookies.