Did you know that you can whip up a batch of homemade scented soap with the help of your slow cooker? You will need 16 ounces of coconut oil, 16 ounces of olive oil, a helping of lye, and the essential oils of your choice. Measure your ingredients into the slow cooker, and turn on the heat. Stir the mixture carefully, and wait for it to set. For a complete tutorial, check out this recipe. The recipe calls for lye, so be forewarned that this ingredient is extremely caustic. Handle it very carefully, and make sure it is kept out of reach of children.