Rum Caviar

Photo:  Mix That Drink
 
With a bit of alchemy, you can turn rum, agar-agar, brown sugar and vegetable oil into Rum Caviar with a a tall glass and an eyedropper.  The "caviar" can be consumed on its own, added to eggnog or other drinks or used as a topping for bananas or ice cream.

via Lifehacker
For the tutorial,. visit tutorial at Mix That Drink.