Here's a Good Thing that will add a spooky touch to your home for Halloween. The specimen-jar candle looks like it came straight from a mad scientist's laboratory, but it's really easy to make -- and little trick-or-treaters will love it.
The Martha Stewart Show, October 2006
Attach a cauliflower head to the metal part of a small suction cup, and secure it to the inside of a glass vase. You can also experiment with other fruits and vegetables instead of cauliflower, such as grapes or celery root.
Fill jar with water (water should cover top of cauliflower head).
Dye water with one or two drops of food coloring.
Pour wax granules on top of water and lace wicks in granules. A 1-inch layer of granules burns for about 1 hour.