How To Make Homemade Soap Using The Hot Process In A Slow Cooker

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  • Discover how to create soaps using this slow cooker soap recipe, clear instructions, and great tips over at The ingredient list is basic with only 5 ingredients (coconut oil, olive oil, lye, water, and optional essential oils of your choice). It is a wonderfully informative and useful tutorial that will help you branch out and create your own fragrances and herbal additions in no time at all!

    This is my favorite soap recipe for a soft and nourishing bar with a light lather. The recipe below makes a two-pound batch, which is a good batch size for a beginner or when trying out a recipe, though I find a four-pound batch size is easier to work with when doing the cook. To make a four-pound batch, just double the recipe. (Likewise, if you prefer a one-pound test batch, cut it in half.) Choose your own additives, fragrance, and coloring to make a unique soap.

    If you want to use a different recipe, go ahead. You can use any soap recipe to make hot process soap. I’m providing this one here because I like it. You can find many recipes with exotic (and sometimes expensive and special order) fats and oils. I’m a farmer. I prefer easy-to-find, inexpensive, grocery store fats/oils that create a soft and cleansing bar.

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    – Crisco — 9.6 ounces or 272.155 grams
    – olive oil OR olive oil pomace — 9.6 ounces or 272.155 grams
    – lard — 6.4 ounces or 181.437 grams
    – coconut oil (76-degree melt point) — 6.4 ounces or 181.437 grams
    – distilled water OR milk* — 12.16 ounces or 344.73 grams
    – lye — 4.463 ounces or 126.524 grams
    *You can exchange milk with water in any soap recipe, but the milk must be icy-slushy before being mixed with the lye. Milk will also darken soap, making it a natural brownish color, which is nice, but just keep it in mind–plan on going with the natural coloring if you’re going to make a milk soap. Read more about making soap with milk here.

    CAUTION: Wear goggles and gloves any time you’re dealing with lye and while handling the soap until it tests non-caustic.

    How to make Hot Process Soap:

    Find the steps for making soap with a slow cooker over at

    Featured Image courtesy of: Laurel.Miss

    On the next page is a word about lye…

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