Keto Cinnamon Bread

This fluffy keto cinnamon bread is a delicious sweet keto breakfast or snack. It is a gluten free, sugar free almond flour cinnamon bread with only 2.2g net carbs per slice. We all loved the moist, vanilla flavoured crumb and the cinnamon swirl! An easy low carb recipe that's become a firm favourite in our house.

Who else thinks that a sweet bread recipe for breakfast is wonderfully decadent? This cinnamon bread recipe is in reality an extra light pound cake with a lush keto cinnamon swirl. But I think keto cinnamon bread sounds much better!

The great thing about following a low carb diet is that a sugar free cinnamon bread like this is a perfectly healthy breakfast choice. It's high in protein thanks to the eggs and the addition of protein powder and comes in at only 2.2g net carbs per slice. What's not to love?

Ingredients for low carb cinnamon bread

Here are the ingredients you need to make this almond flour cinnamon bread:

Almond flour - I'm using what we here in the UK call ground almonds. This is equivalent to regular almond flour in the US and coarser than super fine almond flour.

If you want to use super-fine almond flour in your low carb bread, reduce the amount to 2 cups or 200 grams because the fine flour soaks up more liquid.

Coconut flour - Adds fluffiness to the bread.

Whey Protein Powder - I'm using unflavoured whey protein isolate. It's low in carbs and helps give a very fine crumb and great texture. Also, it adds a nice protein boost.

Eggs - Use large eggs and beat them as directed to get as much air into them as possible for a lighter bread. Also, make sure they are room temperature.

Butter - The butter should be melted and then cooled. If it's too hot it could end up cooking your eggs!

Almond milk - I love Plenish almond milk, which is unsweetened. Using milk over cream keeps the keto cinnamon bread lighter than a full-on cake and just perfect for breakfast.

Sweetener - I used a "brown sugar" erythritol blend here because it goes well with the cinnamon. However, a white granulated sweetener will also work. Xylitol or allulose or Splenda is also an option.

Baking powder, cinnamon and vanilla extract - no explanation needed!

How to make keto cinnamon bread

In a large mixing bowl, beat the eggs until frothy and pale. They should double in size. This takes about 2 minutes. Add the granulated sweetener and continue beating for a further 1 minute.

Next, add the melted butter, vanilla extract and almond milk and mix until well combined.

In a separate bowl, mix together the dry ingredients - almond flour, coconut flour, unflavoured whey protein powder and baking powder. Add the dry to the wet ingredients and blend until combined.

Now stir together the cinnamon sugar for the filling.

Fill half the batter into the loaf pan and scatter the cinnamon/sweetener mix onto the top. Then add the rest of the batter over the cinnamon layer. Bounce the loaf pan onto the kitchen counter a few times so the batter settles evenly. Then spread the remainder of the cinnamon mix on top of the cake.

Creating the marble effect

Stick a knife inside the batter and swirl it up and down lengthways and then from side to side, moving from one end of the pan to the other. This creates the marble effect.

Pound the pan gently on the counter again and then bake for 55 minutes or until a skewer inserted comes out clean.

Check the cinnamon swirl bread after 35-40 minutes. If it is already browned sufficiently, loosely place a piece of aluminium foil over the top to stop it from burning.

Best way to measure ingredients

I encourage you to measure the flours - and especially the coconut flour - in grams. This is much more exact than using cups. Coconut flour expands a lot and if you pack your cup you may end up with a lot more than you intended. This can lead to a dry batter.

If you don't have scales, sift the coconut flour into the cup and level it.

The consistency of your batter should be thick but not as firm as cookie batter. Check the images for reference. If your batter ends up too dry, loosen it with another tablespoon of almond milk or an additional tbsp of butter.

Recipe variations

I have not yet tried making this keto cinnamon bread with JUST almond flour or without protein powder. If you want to try, I recommend these substitutions. Do check that the batter consistency mirrors mine and make adjustments if necessary!

No coconut flour: Replace the coconut flour with 3x the amount of almond flour

No whey protein powder: Replace the whey with ¼ cup / 25g more almond flour.

To make a dairy free bread, replace the butter with coconut oil and use egg white protein instead of the whey.

For a change, you could add a handful of crushed pecans or walnuts to the cinnamon swirl.

Or make a simple vanilla glaze to top the cake with! The coconut butter drizzle from my Keto Lemon Pound Cake works perfect here.

More sweet keto bread recipes

Low Carb Banana Bread - A favourite in our house. This gluten free keto banana bread uses real banana, yet the carb count stays low. So much flavour!

Low Carb Keto Zucchini Bread - A moist and gently spiced sweet keto bread.

Low Carb Keto French Toast Recipe - This recipe uses a quick microwave bread which is then dipped in an egg batter and fried. It is topped with plenty of cinnamon "sugar", of course.

Keto Egg Loaf Recipe - Egg loaf is popular amongst keto diet followers for a reason: It is not only extra yummy, but also so easy to make!

Keto Cinnamon Rolls - The ultimate low carb version or this breakfast classic uses the popular fat head dough (almond flour, cream cheese, egg and grated mozzarella). You've got to try it!

Tried this recipe? Give it a star rating below!

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