Slow cooker

5 Other Ways to Use a Slow Cooker that Have Nothing To Do with Food

They’re bulky and take up precious cabinet space, but we’ll never get rid of our slow cookers. They can be such a lifesaver those days when time is scarce and we just want to make a big batch of something deliciously comforting to get us through.

Slow cooker

A slow cooker, aka Crock-Pot®, is one awesome household appliance for hands-off cooking. If you have one (a recent study says at least 80 percent of us do) you may know what a great time- and money-saver it is. Surprisingly, your slow cooker is good for other tasks that have nothing to do with eating.

For the projects that follow, you may want to find that old vintage slow cooker gathering dust in the garage so that you have one dedicated for non-food projects. Or pick up a second liner (inner pot) for your multi-cooker Instant Pot.

Re-make candles

We all have old candles that are lopsided or have holes burned through one side. Rather than toss them in the trash, toss them in the slow cooker instead.

Once melted, fish out the old wicks and gather your heatproof containers. Tie a weighted candle wick (you can find these at any craft store or online) on a pencil laid across the container’s rim and let the other end dangle into the empty container. Carefully ladle the melted wax into the container without disturbing the wick and allow to cool. There you go, new candles!


Candle wick

Homemade soap

Looking for a great homemade gift idea? This could be it! Homemade soap is wonderful because you can customize your soap bars with the scents and ingredients you prefer.

While there are many recipes and instructions available online, you can skip the tedium with a clear melt and pour soap base. It’s detergent-free. An hour in the slow cooker plus essential oil (20 drops lavender essential oil would be an awesome choice) plus colorant and any variety of botanicals and you’ve made your own beautiful soap products.

Freshen the air

Whether you need to get rid of cooking smells or want to scent the house for the holidays, your slow cooker can pull double duty as an air freshener. Fill it three-quarters with water, add a couple of tablespoons of baking soda and a few drops of your favorite essential oil then turn it on high and leave it uncovered.

The steam will waft fragrance throughout your house. No essential oils on hand? Toss in apple and orange peels, cranberries or a few cloves and some cinnamon sticks instead.


A bowl of fruit on a table, with Slow cooker and Art

Pro-tip: Don’t toss out-of-date spices that you won’t use for baking or cooking. Use them here. You’ll be amazed by how much “life” they have to contribute to this second use.

Make play dough


  • 2 cups all-purpose flour
  • 1 cup cornstarch
  • 1 cup table salt
  • 1/4 cup cream of tartar
  • 2 cups hot water
  • 2 teaspoons vegetable oil
  • food colors


  1. Dump dry ingredients into the cooker. Add the water and oil. Stir to mix well.
  2. Apply the lid and set to High. Set a timer for 2 hours. Every 30 minutes stir the dough well.
  3. You will know it’s about done when the playdough begins to form a ball as you stir. Switch to Off and continue stirring for a few minutes.
  4. Dump it out onto a smooth surface and begin to knead carefully. Caution: It will be hot! If your dough is overly sticky, add a bit of cornstarch; if overly dry, add a touch more hot water.
  5. Separate the dough into manageable portions and push a hole into the center for a few drops of food coloring. Knead and squish until the color is well distributed.

Note: Kids’ hands may be slightly colored for a few hours after playing with the play dough. No worries. It’s harmless. When done playing, store in an airtight container for another day.

A small child sitting on a plate


Strip paint

If you want to strip paint from metal hinges, knobs, handles, doorknobs etc., without the nasty fumes and mess of chemical strippers, just fill a slow cooker with water, cover and set the dial to high. In a few hours, the heat and moisture will soften the paint, and often it will fall off as a single piece. This works on oil, latex and spray paints, but it may not remove some clear finishes like lacquer.

Cooking the hardware may stain or contaminate the pot, so use an old one you won’t be using again for food. This method won’t harm hardware made of non-rusting metals like copper, brass or aluminum. You’ll end up with a little rust on steel—not enough to ruin hidden parts like hinge pins or screws, but possibly enough to roughen shiny surfaces.

Pro tip: If the steel has a plating, like chrome or brass, and the plating is already flaking off, this method will cause more flaking.


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4 replies
  1. Sherry D. says:

    When my girls were little, for play dough recipes, we used to use a packet of Kool-Aid instead of food coloring. Not only did it color the play-dough but gave it a fun scent, too!

  2. kddomingue says:

    I like the candle idea as well as the top for using the slow cooker to scent the house. I recently bought a new slow cooker with a snap on lid….easy to transport….but was reluctant to get rid of the old one that I bought in the late 80s/early 90s. So glad that I kept it!

  3. Irene Saltsgaver says:

    I buy older ones at yard sales and use them as ways to put moisture in the house in the winter when the heat is on. Since our water is hard, once a week I pour white vinegar in them and soak overnite, that takes the minerals off the sides and go again. Much simpler than messing with a humidifier that is a royal pain to clean the minerals out of. I then use the vinegar for cleaning and laundry.


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