Brandica I second what vanessa said, just throw it all in a crockpot, add a little bit more lye dissolved in water, and cook it until it all looks like vaseline. I ran it thru soapcalc and for a 5% discount I also get 7.2oz of lye, and you used 5.4 so I would say use 1.7oz of lye (by weight!) in about 2oz of water.
This is a really good example of why it is so important to get familiar with a
lye calculator. Always run any recipe through a
lye calculator, from a book, the internet, a friend. Even the most well-intentioned can make a simple typo! Spend some time learning your way around
http://www.soapcalc.net/