Looking for a frozen drink to cool you down on a hot day? The Rum Runner might be just the thing. This cocktail is made with rum, blackberry liqueur, banana liqueur, and cranberry juice, and it can be served frozen or on the rocks.

The Rum Runner was invented in the early 1970s, and it quickly became popular. It is said that the drink was created by a bartender named Brian Flanagan, who worked at the Oceans 11 bar in …