01 -
Use a small pan and stir together the instant coffee powder, granulated sugar, and water. Heat gently on the stove, constantly stirring, until all the sugar dissolves and the liquid is smooth. Don’t let it boil!
02 -
Pour the coffee mixture into a container with a tight-fitting lid, then place it in the fridge for a minimum of 30 minutes so that it thickens a bit.
03 -
When it’s time to serve, add the chilled coffee syrup into a big serving punch bowl.
04 -
Pour the full gallon of milk on top of the syrup and give it a stir. Carefully add the scoops of vanilla and chocolate ice cream. Mix them lightly while leaving some chunks partially frozen—they’ll keep the drink nice and frosty.