Paleo Lemon Blueberry Cake

Paleo Lemon Blueberry Cake is the perfect spring and summer cake recipe. It’s bright, lemony and covered in a heaping amount of fresh blueberries. Made from a blend of almond flour, tapioca flour and coconut flour plus a good amount of fresh lemon juice, this is a paleo cake recipe that’s sure to be a crowd pleaser.

A lemon cake topped with blueberries on a table. A small plate of fresh lemons and blueberries is next to it.

I’ve been wanting to make a lemon blueberry cake for ages. There’s just something about the combination of lemon and blueberries that’s deliciously sweet and puts a smile on your face. It’s all the goodness of spring and summer rolled up into a cake and it’s perfect for Sunday brunch, afternoon tea and Mother’s Day.

But as you probably know, paleo baking is not without nuance. The ratio of the flours, wet ingredients and sweetener has to be just perfect for the right texture. If you followed the behind-the-scenes on my Instagram, you know that I attempted this cake four times (and made lots of little tweaks).

But good news – I’m incredibly happy with this final version and thrilled to share the recipe with you today!

A lemon cake topped with blueberries on a table. A slice of the cake is taken from the cake and on a plate next to it.

Paleo Cake Ingredients

If you’re familiar with paleo baking (which is gluten-free and dairy-free) then the ingredients will be of no surprise to you. Like a lot of my baking recipes, I have a mix of almond flour, tapioca flour and coconut flour, which forms the bulk of the cake.

While taste testing this recipe I also tried out a few different sweeteners:

  • Maple Syrup: For the official recipe I decided to stick with maple syrup as this was the clear favorite among the taste testers. It really gave the cake a light and moderately sweet flavor.
  • Honey: An alternative is to use honey which can be swapped 1:1 with the maple syrup. Compared to the syrup, honey can make the cake texture a little more dense. But if you’re looking for a less sweet cake, honey will be the best alternative.
  • Monk fruit and Erythritol: For a low-carb and keto friendly sweetener you could use monk fruit or erythritol. However, since monk fruit is a dry ingredient, you’ll need adjust the ratio by either adding additional wet ingredients or minimizing a dry ingredient (I recommend doubling the coconut oil and reducing each of the flours a little).

Lastly, the cake, if you haven’t guessed has a lemon flavor and a delicious blueberry top. Blueberries are on my 8 Anti-Inflammatory Foods I Eat Every Week list and who said I couldn’t include them in a dessert to get my count for the week. *wink*

Step-by-step process photos for making paleo lemon blueberry cake.

A lemon cake topped with blueberries on a table.

Which Lemons Should You Use?

I recommend using fresh lemon juice for this recipe, rather than bottled lemon juice. The flavor is much more vibrant and pronounced. If you can find Meyer lemons, those are great and they’re a little sweeter which is perfect for this cake.

How to Make Paleo Lemon Blueberry Cake

Because this cake has blueberries on top, I recommend using a springform pan. It’s much easier to release the cake after baking and you don’t have to worry about turning it upside down. Once you’ve got your pan ready you’ll need to go through the following steps:

  1. Mix the dry ingredients together in one bowl.
  2. Add the wet ingredients together in a separate bowl. This step may seem like an evil plan to get you to wash more dishes, in reality though, a chemical reaction occurs once you mix the wet and dry ingredients together that helps the cake rise. It’s important to have the chemical reaction happen last right before the batter goes into the oven or else your baking may fall a little flat.
  3. Mix both wet and dry ingredients together with a hand mixer. Once the batter is all mixed in pour it into your spring-form pan.
  4. Add blueberries! I recommend adding 1/2 cup (or more, if you’d like) of blueberries after half of the batter has been poured. Then add the remaining 1 1/2 cups of blueberries on top and place the cake into the oven at 350 degrees Fahrenheit.

A slice of paleo lemon blueberry cake on a plate, sitting next to the cake.

More Delicious Paleo Desserts You’ll Love

Want a variation of this in muffin form? Try my Paleo Blueberry Muffins. And if you’ve got an abundance of lemons, you might also love my Lavender Lemonade, Meyer Lemon Coconut Macaroons and Lemon Curd Thumbprint Cookies.

A lemon cake topped with blueberries on a table.

Paleo Lemon Blueberry Cake

4.98 from 84 votes
Prep Time: 20 mins
Cook Time: 1 hr
Total Time: 1 hr 20 mins
Servings: 12 servings
Author: Lisa Bryan
Paleo Lemon Blueberry Cake is made from a blend of almond flour, tapioca flour and coconut flour plus a good amount of fresh lemon juice and topped with blueberries.

Ingredients

Dry Ingredients

  • 2 1/2 cups almond flour
  • 3/4 cup tapioca flour
  • 1/3 cup coconut flour
  • 2 tsp baking soda
  • 1/2 tsp salt
  • 2 cups blueberries

Wet Ingredients

  • 3 eggs
  • 3 lemons, juiced and zested (equals 1/2 cup juice and 3 tbsp zest)
  • 2/3 cup maple syrup
  • 1/2 tbsp apple cider vinegar
  • 1/4 cup coconut oil
  • 2 tsp vanilla extract

Instructions 

  • Pre-heat oven to 350° F (175° C).
  • Grease the bottom and sides of a 9-inch springform pan with coconut oil or ghee. You can also line the bottom of the springform pan with parchment paper for easy removal.
  • Combine all dry ingredients (minus the blueberries) in a large bowl and stir.
  • Combine all wet ingredients in a bowl.
  • Pour the wet ingredients into the dry ingredients and mix with a hand-mixer on medium-high speed for about 30 seconds or until combined.
  • Pour half the batter into the springform pan and add 1/2 cup of the blueberries. Pour the remaining batter and add the rest of the blueberries on top of the batter.
  • Bake in the oven for 55-60 min. The batter will remain light colored on top, so use a toothpick to make sure the middle is cooked through. 

Lisa's Tips

  • Don't forget to use a springform pan for this recipe. It's much easier than a regular cake pan. 
  • A few extra tips:
    • If your cake sinks in the middle, your wet to dry ratio might be slightly off. Just reduce the lemon juice a smidge and add 1-2 extra tablespoons of coconut flour. 
    • I recommend fresh blueberries rather than frozen blueberries as frozen blueberries are heavier and may sink to the bottom. Frozen blueberries can also add extra moisture to the cake, so if you do use them you may have to bake a little longer. A few folks on instagram have posted they've done it with frozen blueberries with success though!
    • If you pile a ton of blueberries on top (as I did) you'll notice the top may not get very golden. Don't use the color of the cake as an indicator of doneness. Make sure to use a toothpick and cook until it comes out clean. Every oven is different and you may have to cook slightly more or less time. 

Nutrition

Calories: 298kcal, Carbohydrates: 31g, Protein: 7g, Fat: 17g, Saturated Fat: 5g, Cholesterol: 40mg, Sodium: 331mg, Potassium: 111mg, Fiber: 4g, Sugar: 15g, Vitamin A: 80IU, Vitamin C: 16.7mg, Calcium: 83mg, Iron: 1.5mg
Course: Dessert
Cuisine: American
Keyword: Lemon Blueberry Cake, Paleo Cake, Paleo Lemon Blueberry Cake, Paleo Lemon Cake
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374 comments on “Paleo Lemon Blueberry Cake”

  1. It looks amazing . Thank you for sharing this recipe.

  2. Lisa, I just want to say I really love your recipes. It’s motivating me to cook more. This weekend I will be trying the Maple Mustard Tahini Dressing & Roasted Chickpeas.
    I would like to start baking. In the future can you please do a Lemon Cake without blueberries.
    Thank you

    • Happy to hear you’re getting excited again about cooking May! And yes – I will definitely keep a lemon cake in mind 😉

  3. Absolutely as pretty in person!!  What a beautiful cake.  This was so easy to put together, I used the spring form pan you suggested, and it is delicious.  Lots of happy kids at my house.  Thank you for another fantastic fool proof recipe! I will be making this all summer!5 stars

  4. Wow! This was sple to make and a real crowd pleaser. My wife is gluten free and the rest of the family is not. So I made this cake for her for mother’s day and she was blown away and so was everyone else. Thank you for the recipe.5 stars

  5. I love the look of this cake. Any way, you could sub in all purpose flour for the other varieties. My family is not needing gluten free. Thx

    • Unfortunately I’ve only tested this recipe with this specific flour combination. But if you ever give it a try, let me know how it goes!

  6. I never knew why we we were supposed to keep mix wet and dry ingredients separately! This is such a helpful blog!

  7. This is an amazing cake, dense and delicious and not too sweet. I made it for a GF friend, but I’d be proud to make it for anyone.

  8. Great …….all my non paleo friends didn’t even notice it was paleo….besides they Judy loved it!5 stars

  9. This recipe is absolutely delightful! It came out perfect just by following each step. I made it for my husbands birthday and he LOVED it. I plan on making it again for Mother’s Day. Thx for the great recipe, Lisa! 5 stars

  10. I made this for Easter for a crowd of people with little patience for anything that tastes “healthy.” It was a huge hit! This one is a home run. Thank you!5 stars

  11. Can I use regular flour at the same ratio as all of the flours together?

  12. Can I use arrowroot instead of tapioca? I have a sensitivity to tapioca.

  13. Can u suggest how I could use oat instead of almond flour.  Many keto recipes do use almond flour but it’s a no go for those with nut allergies. Thanx, Kathleen 

    • Unfortunately I haven’t tried this with oat flour, but I will definitely do some testing in the future for more nut-free baking items!

  14. Hi
    I stumbled upon your website and posts recently and have become a huge fan. Your recipes and tips are amazing. Just wondering what you would suggest for someone with an almond allergy? . A lot of recipes like this one  call for almond flour. What would you suggest for a substitution? Thanks so much and hoping you are working on an actual recipe book.  

    • Hi Karen! Unfortunately I haven’t done much testing without almond flour just yet. But, I hope to do so in the near future and will keep everyone updated as I know many people have a nut allergy.

  15. So good!! Tried this recipe and it is delicious. I followed the recipe as written with maybe a few more blueberries. It’s moist, flavorful, soft, and so yummy. Saving for sure!5 stars

  16. Can this be done without the eggs or rather vegan..?

    • Unfortunately I haven’t tried this with an egg replacer yet. But if you do, please let me know how it turns out!

  17. Can the tapioca flour be substituted for something else? Can I use oat flour instead? Apparently tapioca ia not good for people with diabetes. Hope you can help with a
    substitution.

    • You can sub it with a gluten-free flour blend, but I’m not sure about oat flour.

      • What kind of gluten-free flour blend would you suggest? I love blueberries and I would really like to make this cake. Thanks for your reply.

      • Any gluten-free flour blend will work. I normally use Bob’s Red Mills brand, but any you find should be okay!

    • I never knew why we we were supposed to keep mix wet and dry ingredients separately! This is such a helpful blog!

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