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5 from 2 votes

This moist and decadent Gluten Free Sweet Potato Cake has rich flavors. It is easy to make as a loaf cake or a sheet cake with my cinnamon buttercream frosting. Try this recipe and see how delicious sweet potatoes can be in desserts!

A baked gluten free sweet potato cake in a loaf pan.

I am pretty excited about this new cake recipe. This dessert has some stealthy nutrients from sweet potato, and I give the option to include some extra protein by adding collagen protein.

If you love cake, check out my incredible gluten free cake recipes. I have so many delicious cake flavors to choose from!

Why This Cake Is Great:

  1. It has some great, stealthy, healthy stuff, and your kids will never know.
  2. This cake stays pretty fluffy and is not dense for all of the sweet potatoes.
  3. You can bake it as a loaf cake, sheet cake, or even cupcakes!
  4. Add in any fun mixins you like, including chocolate chips, nuts, etc.
  5. This is a simple cake with canned sweet potato puree, or you can roast and puree your sweet potatoes from scratch.

If you love cakes baked in a loaf tin, try this Gluten Free Lemon Pound Cake recipe too!

Top Pick
King Arthur, Measure for Measure Flour 3 lbs

This is one of my favorite gluten-free flour blends for cookies, cakes, pie crust, biscuits, and muffins! (Do not use this flour blend for yeast recipes.)

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Ingredient Notes:

  • Gluten free flour blend – I tested this recipe using Bob’s Red Mill 1 to 1 Gluten Free Flour Blend, Pillsbury Gluten Free Flour Blend, and King Arthur’s Measure for Measure Gluten Free Blend. That doesn’t mean others will not work; I have not tested other flours, and I can not guarantee the recipe will work if you use other mixes.
  • Xanthan Gum – If your blend doesn’t contain either xanthan or guar gum, please add one teaspoon.
  • Baking Powder – Use aluminum-free.
  • Sweet Potato – Use canned pureed sweet potato, or roast and puree your own from scratch.
  • Eggs – Use size large.
  • Oil – Any light oil is okay to use. I used avocado oil.
  • Collagen Protein Powder – This is optional if you want a little protein added. Be sure your collagen powder is unflavored.
A sliced sweet potato loaf cake.

Tips for Success:

  • Be very careful not to overmix your wet and dry ingredients. If you overmix the cake batter, your cake will turn out dense.
  • Do not use a stand mixer for the above reason.
  • Use a spray oil for the baking pan. I like to use avocado or coconut spray oil. It helps this cake slide easily out of the pan.
  • It can be hard to know when the cake is finished if you are baking it in a loaf pan. To test for doneness, insert a toothpick into the center of the cake. If the toothpick comes out clean, it is done baking. If you see batter or crumbs, the cake must be baked longer.

For more sweet potato goodness, try this easy Gluten Free Sweet Potato Scones recipe too!

Recipe Step-By-Step Directions:

Photos of steps 1 and 2.

Step 1: Add all the dry ingredients to a large mixing bowl. Use a wire whisk to blend the ingredients.

I recommend using the spoon or leveling method to measure your gluten-free flour.

Put the measuring scoop into the flour and fill. Do not pack the flour. Use a knife to scrape along the top to remove the extra flour.

You can also use a spoon to fill the measuring cup. Use a knife to level along the top to remove the extra flour.

Step 2: In a medium bowl, add your wet ingredients. Use a whisk to whip the ingredients.

Photos of steps 3 and 4.

Step 3: Pour the wet ingredients into the dry ingredients and mix gently. Do not overmix your batter. (See Tips for Success above for more reasons you do not want to overmix the batter.)

Step 4: Add the mixins and gently fold them in with a rubber spatula.

Sweet potato cake batter in a loaf pan.

Step 5: Grease a loaf pan or a cake pan. Pour the batter into the pan and spread it out to fill the pan evenly. Drop some additional nuts or chocolate chips on top.

Step 6: Bake the cake for 25-40 minutes. Sorry for that big range. The baking time will vary depending on the pan you use and how deep the pan is. If you use a cake pan, 25-30 minutes is probably how long it will take to bake this cake. Loaf pans are tall and take longer, so plan for a loaf pan for 35-40 minutes.

Step 7: Remove the cake from the oven and do the toothpick test to ensure the middle is baked. See Tips For Success above if you need instructions for the toothpick test.

Step 8: Cool the cake on a wire cooling rack before cutting.

Frosting Recipes:

Want to top this yummy cake with frosting? Use either this Cinnamon Buttercream Frosting recipe from my pumpkin cupcakes or Vanilla Buttercream Frosting.

The front view of the baked sweet potato cake loaf.

If you love sweet potatoes as much as we do, you will also want to try my Gluten Free Sweet Potato Pie recipe!

Tips and Recipe FAQ:

How do you puree sweet potato?

Bake your sweet potatoes in the oven or air fryer as usual. Scoop out the sweet potato flesh into a blender and pulse it with 2 tablespoons of water to soften it more for this recipe.

How do you store gluten free sweet potato cake?

Store this cake in an airtight container in the refrigerator. It will keep fresh for up to 4 days. You can soften it in the microwave for 35-40 seconds if you like it warm.

Can you freeze this cake?

Yes! This cake is easy to freeze, either whole or as slices. Be sure the cake is cooled to room temperature, and place it into a freezer bag. Squeeze out the extra air and seal it. It will keep fresh for up to 4 months in the freezer.

A slice of gluten free sweet potato cake on a small white plate.

More Gluten Free Cake Recipes:

A baked gluten free sweet potato cake in a loaf pan.

Gluten Free Sweet Potato Cake

Sandi Gaertner
A moist decadent sweet potato cake that can be made as a loaf cake or layer cake.
Love this recipe?Give it a star rating!
5 from 2 votes
dairy free allergen icon
gluten free allergy icon
soy free allergy icon
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Gluten Free Breakfast Recipes, Gluten Free Cake Recipes, Gluten Free Dessert Recipes
Cuisine American
Servings 10 slices
Calories 391 kcal

*As an Amazon Associate, I earn a small commission from qualifying purchases.


  • 2 ¼ cups gluten free flour blend * see notes
  • 1 cup sugar
  • 2 teaspoons ground cinnamon
  • 2 teaspoons baking powder aluminum free
  • 15 ounces sweet potato puree * see note
  • 2 large eggs
  • cup oil I recommend avocado or canola
  • cup non-dairy milk I used Milkadamia
  • ½ cup pecans or walnuts


  • Preheat the oven to 350º F.
  • Add the dry ingredients to a large bowl and mix.
  • In a smaller mixing bowl, add the wet ingredients and whisk to blend.
  • Pour the wet ingredients into the dry ingredients and add the chopped nuts.
  • Mix gently until just barely mixed. This will help keep your cake fluffy.
  • Pour the batter into a greased loaf pan, bundt, or cake pan.
  • Bake for 25-40 minutes. This varies widely depending on if you are baking in a cake pan or loaf/bundt pan due to the depth of the pan.
  • Remove the cake and test with a toothpick to ensure the middle is baked.
  • To test for doneness, insert a toothpick into the center of the cake. If the toothpick comes out clean, it is done baking. If you see batter or crumbs, the cake needs to be baked longer.
  • Allow the cake to cool on a cooling rack.


  1. I have tested this recipe with King Arthur Measure for Measure GF and Bob’s Red Mill 1 to 1 GF blend. That doesn’t mean others will not work. I just have not tested other flours.
  2. If your gluten free flour blend doesn’t contain xanthan or guar gum, add one teaspoon.
  3. I highly recommend using canned pureed sweet potatoes, but you can definitely roast and use fresh sweet potatoes as well.
  4. Store in an airtight container in the fridge for up to four days.


Please know that every gluten free flour blend has a different starch to grain ratio. If you use a blend I didn’t test, you may need to adjust your moisture levels in your baked goods.


Serving: 1sliceCalories: 391kcalCarbohydrates: 50gProtein: 5gFat: 21gSaturated Fat: 2gPolyunsaturated Fat: 6gMonounsaturated Fat: 12gTrans Fat: 0.1gCholesterol: 34mgSodium: 32mgPotassium: 330mgFiber: 5gSugar: 24gVitamin A: 8237IUVitamin C: 8mgCalcium: 91mgIron: 2mg
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Nutrition Disclaimer

Nutritional information is an estimate provided to you as a courtesy. You should calculate the actual nutritional information with the products and brands you are using with your preferred nutritional calculator.

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