I firstly would like to say that I am so relieved that someone else is having this problem because I am on the verge of a nervous breakdown.   I have been using this recipe for a year now and it was great at first. As I used it more and became comfortable with the recipe, I started making (seemingly) minor alterations and as a result, I have the bottom half of my layers coming out hard, gelatinous, and unappetizing. I tried to take a few steps back in my method to...