01 -
Mix instant coffee, sugar and water in a small pot. Heat gently while stirring until sugar dissolves completely. Don't let it boil.
02 -
Pour syrup into a container and refrigerate for at least 30 minutes until it thickens.
03 -
Pour the chilled coffee syrup into a large punch bowl.
04 -
Pour in the gallon of whole milk and stir to mix with syrup.
05 -
Scoop in both vanilla and chocolate ice cream. Stir lightly, leaving some chunks unmelted to keep it cold.