Low Carb Blueberry Muffins with Almond Flour

These low carb blueberry muffins are tender, buttery, and packed with fresh blueberries, all without a grain of flour.

They come together in one bowl and bake up with golden domed tops that look like they belong in a bakery case, without the sugar crash that usually follows.

Why These Muffins Stay in My Rotation

I’ve tried plenty of low carb baked goods that turned out dry or eggy. These are the opposite. Almond flour keeps them soft for days, and the berries burst into sweet pockets without making the batter soggy.

They feel like a real treat, not a compromise. A warm muffin with a smear of butter hits the spot on a busy morning or as an afternoon pick-me-up, and they hold up well until the last one disappears.

Ingredients

• 2 cups super-fine blanched almond flour: this is the base; don’t use almond meal or the texture will be heavy.
• ½ cup granulated low carb sweetener: erythritol or allulose both work; I prefer allulose for a clean sweetness.
• 2 teaspoons baking powder: helps them rise evenly.
• ¼ teaspoon salt: balances the sweetness.
• 3 large eggs, at room temperature: they bind everything and add structure.
• ⅓ cup melted butter or melted coconut oil: butter gives the best flavor, but coconut oil works for dairy-free.
• 1 teaspoon vanilla extract: rounds out the flavor.
• 1 teaspoon finely grated lemon zest (optional): brightens the blueberries without tasting lemony.
• 1 cup fresh blueberries: wash and pat them dry so the batter stays thick.

Variations / Substitutions

• Swap the fruit: raspberries or chopped strawberries work well; keep the berries dry so they don’t bleed.
• Dairy-free: use melted coconut oil instead of butter for muffins that stay just as tender.
• Add a crunch: scatter sliced almonds on top before baking for a nutty crust.
• Lemon poppy seed: omit the blueberries, add 1 tablespoon poppy seeds and an extra teaspoon lemon zest.

For a chocolate fix, try my Low Carb Double Chocolate Muffins.

How to Make Low Carb Blueberry Muffins

Step 1: Mix the Dry Ingredients

Preheat your oven to 350°F (175°C) and line a 12-cup muffin tin with paper liners. In a large bowl, whisk together the 2 cups almond flour, ½ cup sweetener, 2 teaspoons baking powder, and ¼ teaspoon salt until no lumps remain.

Almond flour can clump, so a quick whisk makes sure the leavening is evenly distributed. You’ll end up with a fluffy, pale mixture that smells lightly nutty.

Step 2: Whisk the Wet Ingredients

In a separate bowl, beat the 3 eggs until smooth, then stir in the ⅓ cup melted butter, 1 teaspoon vanilla, and the optional lemon zest. Make sure the melted butter isn’t hot, or it can scramble the eggs.

The mixture will look glossy and a bit thinner than you might expect, which is exactly what you want for an easy batter that folds in without overworking the flour.

Step 3: Fold the Batter Together

Pour the wet ingredients into the dry and stir with a spatula until just combined. It will be thick and slightly sticky. Gently fold in the 1 cup blueberries, taking care not to crush them.

Stop mixing as soon as there are no dry streaks. Overmixing can make the muffins dense, so a few small lumps are fine. The batter will be so thick it doesn’t settle on its own.

Step 4: Scoop and Bake the Muffins

Use a large scoop or two spoons to divide the batter evenly among the muffin cups, filling each about three-quarters full. Dot a few extra blueberries on top of each one for a pretty finish. Bake for 20 to 24 minutes.

The tops will rise into domes and turn deep golden. A toothpick inserted in the center should come out clean or with a few moist crumbs. Every oven runs a little different, so check at the 20-minute mark.

Step 5: Cool and Serve

Let the muffins cool in the pan for 5 minutes, then lift them out and transfer to a wire rack. Serve them warm or at room temperature.

They’ll feel soft and tender, with little pockets of jammy berries. A smear of butter on a warm muffin is just right.

Tips for the Best Low Carb Muffins

• Room-temperature eggs matter:: cold eggs can cause the melted butter to firm up and make the batter lumpy. Take the eggs out of the fridge 30 minutes before you start.
• Don’t overmix:: once you combine the wet and dry ingredients, stir only until there’s no visible flour. Overworking almond flour batter can release oil and make the muffins dense.
• Fresh blueberries are ideal:: they hold their shape and release less liquid. If you need to use frozen berries, check the FAQ for the trick that prevents sinking.
• Work quickly after mixing:: baking powder starts reacting right away. Get the batter into the oven as soon as the muffin cups are filled so the lift isn’t lost.

Bake times for different sizes:

Storing Low Carb Muffins

• Refrigerate:: keep the muffins in an airtight container in the fridge for up to 5 days. The fridge keeps almond flour baked goods fresher longer.
• Reheating:: warm them in a microwave for 15-20 seconds, or pop them in a 300°F oven for a few minutes to revive the crisp edges.
• Serve cold:: they’re also good straight from the fridge, though a little cooler and firmer.

Frequently Asked Questions

Can I use frozen blueberries?

Yes, and you don’t need to thaw them. Toss the frozen berries in a teaspoon of almond flour before folding them in, which helps keep them suspended in the batter instead of sinking to the bottom.

Can I swap coconut flour for almond flour?

No, coconut flour absorbs much more liquid and behaves differently. This recipe wasn’t developed for it, so a direct swap won’t work. Look for a recipe written specifically for coconut flour if that’s what you have.

Why did my muffins turn out flat?

Flat muffins usually mean your baking powder is old, or the batter sat too long after mixing. Use fresh baking powder and get the muffins into the oven right after scooping so the lift isn’t lost.

Can I cut the sweetener?

You can reduce it by a tablespoon or two, but the muffins may taste less sweet and a bit more eggy. The sweetener also contributes moisture, so cutting too much can change the texture.

Can I double this recipe?

Yes, double all the ingredients and divide the batter between two 12-cup muffin tins. Bake them both at the same time, rotating the pans halfway through so they brown evenly.

Low Carb Blueberry Muffins Recipe

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Prep Time 10 minutes mins

Cook Time 22 minutes mins

Total Time 32 minutes mins

Servings: 12 servings

Calories: 180

Ingredients Method Notes

Ingredients

  

• 2 cups super-fine blanched almond flour
• ½ cup granulated low carb sweetener
• 2 teaspoons baking powder
• ¼ teaspoon salt
• 3 large eggs, at room temperature
• ⅓ cup melted butter or melted coconut oil
• 1 teaspoon vanilla extract
• 1 teaspoon finely grated lemon zest (optional)
• 1 cup fresh blueberries

Method

 

1. Preheat oven to 350°F (175°C) and line a 12-cup muffin tin with paper liners. In a large bowl, whisk together the almond flour, sweetener, baking powder, and salt.
2. In a separate bowl, beat the eggs, then stir in the melted butter, vanilla, and lemon zest.
3. Pour the wet mixture into the dry ingredients and stir until just combined. Gently fold in the blueberries.
4. Divide the batter evenly among the muffin cups, filling each about three-quarters full. Dot extra blueberries on top and bake for 20-24 minutes until golden and a toothpick inserted in the center comes out clean.
5. Let the muffins cool in the pan for 5 minutes, then transfer to a wire rack. Serve warm or at room temperature.

Notes

Let the muffins cool on a wire rack before storing, otherwise trapped steam can make the bottoms soggy. If you prefer a taller dome, start the bake at 400°F for the first 5 minutes, then lower to 350°F for the remaining time.