Create Emergency Candles From (Almost) Anything
That butter would be better if you lit it on fire

Popular Science
What do you do when the lights go out and your flashlight is dead? As an intrepid DIYer, you simply hack together an emergency candle from whatever supplies you have on hand. According to the Internet, you can make a candle from just about anything, including oranges. In the latest Build It video, we put this idea to the test, attempting to shed some light with butter, peanut butter, lip balm, and even canned tuna.