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Gluten Free Vanilla Sheet Cake

This gluten free sheet cake has a white vanilla cake base that’s moist, tender and made in one bowl. I love to top it off with a whipped mascarpone frosting and fresh berries, but it’s also great with a classic buttercream and sprinkles!

gluten free sheet cake with frosting and berries on top

This fresh gluten free sheet cake has summer written all over it. It has a fluffy white vanilla cake base, topped with either a mascarpone whipped frosting or classic buttercream and topped with all the fresh in season berries your heart can handle.

The cake itself is made in one bowl, incredibly moist with the perfect crumb and that delicious sweet vanilla flavor. It’s gluten free, dairy free friendly but a total crowd pleasing recipe. Bring it to your next summer barbecue!

If you love this recipe, try my gluten free lemon cake or gluten free strawberry cake next!

Before we get started…

  • I used the Bob’s Red Mill 1:1 Baking Flour. You can try a different brand like King Arthur if you prefer, just make sure there is xanthan gum in the mix!
  • Since this is a white cake, we are just using egg whites, no eggs! If you want a recipe that uses whole eggs, try my gluten free vanilla cake and just make it in a 9×13 pan.
ingredients in bowls with labels

How to make gluten free sheet cake

Line a 9×13 sheet cake pan with parchment paper and set aside.

In a large mixing bowl, combine the butter, oil and sugar. Beat with an electric mixer for about 30 seconds. Add in the remaining wet ingredients and beat until combined.

Add in the flour, baking powder, baking soda and salt. Be sure to spoon and level the flour, don’t scoop from the bag.

two images showing how to make the batter

Beat just until combined. Add to the prepared cake pan and bake for 35-45 minutes or until a toothpick comes out clean.

Let cool completely, you can just leave it right in the pan and frost it from there, or transfer to a board or wire rack for serving.