Learn how to bake the best and most moist gluten-free chocolate cake with this an easy to follow, no fail recipe! What makes the cake so moist? Boiling water in the cake batter! Boiling water helps saturate the starches, aerates the batter, making the cake light, fluffy and moist instead of gritty. This two-layer cake uses 9” round cake pans and is ready in 40 minutes. Yields 12 servings.