My best friend's DS has just been diagnosed with a severe lactose intolerance and Coeliac disease. It is his 2nd birthday in a couple of weeks, and I want to help her make a cake and some biscuits for him.
I'm a good baker, but am a bit uncertain about whether I can just replace the flour and butter with the relevant substitutes or whether it gets tricky and I actually am better seeking out something made with veg oil etc.
Can I use soya margarine as a butter substitute for baking? What flour should I use - is rice flour good or should it be something else?
Any tips? Any recipes? We want to make his birthday party as 'normal' as possible for him and the other guests!