01 -
In a small saucepan, blend the powdered instant coffee, white sugar, and water. Heat gently, stirring constantly, until the sugar is fully dissolved and the mixture is smooth. Ensure you do not boil the concoction.
02 -
Transfer this mixture into an airtight container and let it chill in the refrigerator for at least 30 minutes, allowing it to become syrupy.
03 -
When ready to serve, pour the chilled coffee syrup into a large punch bowl.
04 -
Add the entire gallon of whole milk, stirring to combine. Gently scoop the vanilla and chocolate ice creams into the punch. Stir lightly to mix, but let some ice cream chunks remain partially unmelted to keep the punch refreshingly cold.