Bubbling Cauldron Punch

- 3/4 cup frozen limeade concentrate (about 1/2 of a 12-ounce can), thawed

- 3 and 1/2 cups cold water

- 3 12-ounce cans ginger beer, chilled

- 1 pint green tea ice cream

Stir together the limeade concentrate, cold water and 1 can ginger beer in a punch bowl.

Scoop the ice cream into the punch. Pour the remaining 2 cans ginger beer over the top to create foam.