Our most popular Flavor! Our World Famous Tortuga Golden Original Rum Cakes with Walnuts are baked in the Caribbean with only the finest ingredients, including imported walnuts. Each rum cake is hand glazed with special 5-year-old, oak barrel aged Tortuga Gold Rum then vacuum sealed to lock in the delicious freshness. The cakes have a shelf life of 12 months, or indefinitely if refrigerated or frozen.oliday.