There is nothing quite like the combination of sweet, bursting blueberries and a tart, zesty lemon glaze. If you are missing your favorite bakery trips on a low-carb diet, these Baked Keto Blueberry Donuts are about to become your new morning staple.

They are incredibly soft, completely sugar-free, and take less than 30 minutes to make. By using a blend of almond and coconut flours, we achieve that perfect bakery-style crumb while keeping the net carbs incredibly low—just 4.3 grams per donut!

Let’s get baking!

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The Recipe

• Prep time: 10 minutes
• Bake time: 20 minutes
• Yield: 6 standard-sized donuts

Ingredients

For the Donuts:

• 1 cup blanched almond flour
• 2 tbsp coconut flour
• ⅓ cup granular erythritol or monk fruit sweetener
• 1 tsp baking powder
• ¼ tsp salt
• 2 large eggs
• ¼ cup unsweetened almond milk
• 2 tbsp butter, melted
• 1 tsp vanilla extract
• ½ cup fresh blueberries

For the Lemon Glaze:

• ¼ cup powdered erythritol or powdered monk fruit
• 1 to 2 tbsp fresh lemon juice
• 1 tsp lemon zest (optional)

Instructions

1. Preheat and Prep: Preheat your oven to 350°F (175°C) and thoroughly grease a 6-cavity donut pan with cooking spray or butter.
2. Whisk the Dry: In a large bowl, whisk together the almond flour, coconut flour, granulated sweetener, baking powder, and salt.
3. Mix the Wet: In a separate bowl, beat the eggs, almond milk, melted butter, and vanilla extract until smooth.
4. Combine: Pour the wet ingredients into the dry ingredients and stir gently until a thick batter forms. Carefully fold in the fresh blueberries so they don’t burst.
5. The Piping Bag Trick: To fill your pan cleanly without a piping bag, spoon the batter into a gallon-sized Ziploc bag. Press the air out, seal it, and snip a half-inch hole in one of the bottom corners. Pipe the batter evenly into the 6 donut cavities.
6. Bake and Cool: Bake for 18 to 20 minutes until the edges are golden brown and the tops spring back when lightly touched. Let them cool completely in the pan before removing them.
7. Glaze: Whisk the powdered sweetener and lemon juice together until smooth. Dip the tops of the completely cooled donuts into the glaze and let them set on a wire rack.

Nutritional Info (Per Donut)

• Calories: 182 kcal | Fat: 15.3g | Protein: 6.5g | Net Carbs: 4.3g

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Meal Prep Magic: Freezing and Thawing Instructions

These donuts are fantastic for meal prep because they hold onto their moisture beautifully. Here is how to stock your freezer:

How to Freeze

• The Flash Freeze Method (For Glazed Donuts): If you’ve already glazed your donuts, place them in a single layer on a baking sheet and pop them in the freezer for 1 hour. Once the lemon glaze is frozen solid, transfer them to an airtight container or a Ziploc freezer bag. This keeps the glaze intact and prevents them from sticking together!
• For Unglazed Donuts: Simply place the cooled, plain donuts directly into a freezer-safe bag. They will keep perfectly for up to 3 months.

How to Thaw

• The Countertop Method (Best for Glazed Donuts): Take out a donut and let it sit on the counter at room temperature for about 1 to 1.5 hours. It will thaw gently, keeping the lemon glaze perfectly intact without melting it.
• The Quick Microwave Method (Best for Unglazed Donuts): If you froze them plain, pop a frozen donut into the microwave on low power for 15 to 20 seconds. It warms up beautifully and tastes fresh out of the oven. Whip up your fresh glaze, drizzle it over the warm donut, and enjoy!

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The Critic’s Corner: Steve’s Review

Now, around here, we like to keep it completely honest. While everyone else gave these a roaring two thumbs up, my husband Steve only gave them 1 thumb up.

But don’t let that deter you—Steve’s review has a massive asterisk next to it: Steve absolutely despises cake donuts. It doesn’t matter if they are keto, traditional, blueberry, or chocolate—if it has a cake texture, he is out. In fact, that’s the exact reason he won’t eat Dunkin’ Donuts; he can’t stand their cake-style texture and prefers a light, airy, yeast-raised donut every single time.

So, if you are like Steve and only live for fluffy yeast donuts, these might not change your mind. But if you love a dense, moist, melt-in-your-mouth bakery cake donut, these are going to be your absolute favorite.