To make hot process soap in the oven, first preheat the oven to 180F and remove all but the lowest rack.
Start making soap using the cold process method. After you reach trace, do not add anything like scent or color. Instead, put a lid on the pot and put it into the oven.
Stir every fifteen minutes or so. After it has cooked for about an hour, it is done. Add the scent, color, and other goodies (mix them together in a little bit of oil before adding them to the pot), stir, and pour into molds.
I will try this method tomorrow, with the Peach Ginger soap and the Key Lime one. With the Hot Process Soap, the soap is ready to be used right away, once it is cold. Do the tongue test to be sure.Here is a site that explains more in detail the hot process.
Now, the difference between Hot Process Soap and Cold Process Oven Process (CPOP) is
:that with CPOP, I leave my soap in the oven over night, with the oven turned off. It gives me a harder and safer soap to use. By leaving the soap overnight in the oven, the water left in it seems to evaporate faster than if I would use the Hot Process method and leave the soap in the open to cool off and slice it. The CPOP gives a smoother top to the soap, a perfect method to use when wanting to achieve a soap made in a flat mold.
:that with Hot Process Soap, I use even less fragrance oil than with the CPOP. I use my nose to test it and not a calculator like I do in the CPOP recipe. The Hot Process Soap method also gives me a freedom to add anything to my log mold, and it looks like a more brut, not smooth soap surface. Some people like an handmade soap to look like handmade and not all smooth and pretty.
I use both methods, depending of my mood and my imagination of the moment!
My way, my opinion!