Assembling your own cake mix is pretty easy if you really wanted to. Stick it in the freezer for whenever. However the prepackaged stuff is still likely to ta

Assembling your own cake mix is pretty easy if you really wanted to. Stick it in the freezer for whenever. However the prepackaged stuff is still likely to taste better because it uses industrial ingredients that will simply taste better. A quick look at the first Betty Crocker mix I found on Safeway's site showed: corn syrup, xantham gum, and cellulose. Those will all contribute to the final texture and moistness.