One of the things about changing my way of eating to gluten free is that cooking takes sooooooooo much longer. Yes mixes do exist and some are quite tasty, but they are also hard to find and incredibly pricy. ($5 for a box of cake mix, anyone? Well, Carrie over at gingerlemongirl.com has your answer with a homemade gluten/dairy/casein/soy free mix. Check it out!
http://gingerlemongirl.blogspot.com/2010/12/homemade-gluten-free-betty-crocker-cake.html