We always have a birthday party at the beach since my husband birthday falls smack in the middle of July.
It creates a unique problem because there are no gluten-free bakeries where we vacation. Also, I don't think a homemade cake could withstand the trip.
Last year we decided to bake the cake and frost it after getting here.
This year we made our own mix. We put all the dry ingredients in a baggie and on the day of the birthday, just mixed them together and put the cake in the oven. (Purchasing a mix would work, too.)
There were no serving platters at this condo so the cake was baked in a 9 x 13-inch casserole dish. It turned out perfectly, needed less frosting, and was just all-around easier.
It would be better to premix the frosting, if possible. We used a white frosting we made here, and brought pre-made chocolate frosting to decorate.
Writing the birthday greeting and adding a border and candles were the only things we had to do. The cake was pretty and delicious, and it was nice to have only one cake for our whole crowd!
A couple of tips. Hand-mixing works but bringing a hand mixer is better. And, throwing in a decorater bag and tips also helps. It will make the cake look better and these items take up almost no room.