HELP HELP HELP!!!! I usually don't bake often as it already is, and now I have been asked to make a special cake for a child that is autistic with SEVERE allergies!!! =( As I mentioned in the title, he cannot consume soy, gluten, eggs, casein, nuts, nor sugar. I seriously have NO CLUE what to do. The only thing I am guessing is to use Splenda in place of sugar. I have never used Splenda for cooking or baking, so I am hoping someone can tell me if it is ok to replace it with sugar on a 1:1 basis. ANY help at all with alternative ingredients would be GREATLY appreciated!!! Thanks so so so so so much!!!!