The new, green-label, "no trans-fat" Crisco MIGHT be palm oil, but I've never checked. Most "no trans-fat" shortenings are, indeed, just palm oil, but be sure and check the label.
I rebatch in the microwave. Works great, and doesn't take long. I've also done it on the stovetop. I don't do it very often, because I like smooth CP soap best.
You don't need a recipe to make a pure 100% olive oil soap. That is honestly one of my favorite soaps. Just decide how much oil you want to use, and run it through a lye calculator--that will give you the amount of lye and water or milk to use.