Jar Cake Delivery Online Hubli. Cake in a jar is like love in a jar, which is hard to resist. They are sweet little treats in a cute jar that tastes awesome and are bound to offer a heavenly flavor to your taste buds. Be it a house party, family gathering or Friendship Day, our jar cakes available in delectable flavors of chocolate, blueberry, tiramisu, and red velvet are absolutely perfect to add fun and happiness to every occasion.