I need a dairy free recipe for a client. She said Duncan Hines is fine but I need to make it denser so it can handle the weight of fondant. Can this be done by adding more flour or will that make it too dry? Any suggestions?
Thanks!

You could do a WASC version of the cake and add:

1 cup of flour
1 cup of sugar
8oz of vegan sour cream (works great)
1 cup of rice milk or soy milk or water
3 eggs
3 tablespoons of oil
1 tablespoon of flavoring/extract

good luck..HTH

I have relatives with dairy allergies, yet they love red velvet cake, so here's what I do:

1 box DH red velvet cake mix (it's dairy free)
3/4 cup mayo
1 cup water
1 tsp vanilla

It makes the cake rich, moist, and denser than just a straight mix... and the mayo really improves the cake mix flavor. I don't often use fondant, but I did once for my mil's birthday, and it worked just fine.

It also works with their chocolate and yellow cake mixes, which are dairy-free (some DH mixes contain milk products.)

Perfect! I love both options. THANKS!