17Jul2015 Under the Sea Posted in birthday cakes, Buttercream, cake, gluten free, marshmallow fondant, sponge, Summer by bygracecakes A By Grace Cakes birthday original: Under the Sea. Under the Sea: By Grace Cakes bakery original, gluten free cake. Butter vanilla sponge covered in handpainted marshmallow fondant. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window)MoreClick to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading...