01 -
Pour root beer into a large measuring cup and refrigerate uncovered for 2 hours to allow carbonation to dissipate.
02 -
Place vanilla ice cream in a medium mixing bowl and let sit at room temperature for 5 to 8 minutes, until slightly softened.
03 -
Whisk the flat root beer into the softened ice cream until well blended and smooth.
04 -
Pour the root beer and ice cream mixture evenly into popsicle molds. Insert popsicle sticks.
05 -
Freeze the filled molds for at least 4 hours or until fully solid.
06 -
Quickly run the exterior of the molds under warm water and carefully remove the popsicles. Store in freezer until serving.