The Best Keto Blueberry Muffins (Moist & Fluffy!)

Breakfast

March 9, 2026

Smiling woman holding a rustic plate filled with freshly baked Keto Low Carb Blueberry Muffins in a sunlit kitchen.

I used to dread diet breakfasts, missing my morning bakery run more than anything. That’s why I perfected these Keto Low Carb Blueberry Muffins. Unlike most dense, dry grain-free recipes, these are unbelievably moist, fluffy, and bursting with juicy blueberries. They’re the perfect guilt-free treat with your coffee or a meal-prep staple that will completely transform your morning routine.

Ingredients

• 3 organic eggs, extra large, room temperature
• ¼ cup 60 ml coconut milk
• ¼ cup 60 ml organic heavy cream
• ⅓ cup 65g erythritol crystals, granular
• 5 tbsp 35g coconut flour
• ½ cup 75g frozen blueberries

Instructions

1. Preheat your oven to 350°F 175°C and position the rack in the center.
2. Line a standard muffin tin with 6 parchment or silicone muffin liners.
3. In a large mixing bowl, add the 3 extra-large eggs, ¼ cup heavy cream, ¼ cup coconut milk, and ⅓ cup erythritol. Whisk vigorously until fully combined and the sweetener begins to dissolve.
4. Sift in the 5 tbsp of coconut flour to prevent lumps, then whisk again until the batter is completely smooth.
5. Critical Step: Let the batter rest undisturbed for 2 to 3 minutes. The coconut flour needs time to absorb the liquid, and the batter will thicken noticeably.
6. Add the ½ cup of frozen blueberries and gently fold them in with a spatula. Do not overmix, or the batter will turn purple.
7. Divide the batter evenly among the 6 muffin liners, filling each about ¾ full.
8. Bake for 25 to 30 minutes, or until the tops are golden brown and a toothpick inserted into the center comes out clean.
9. Remove from the oven and let the muffins cool in the pan for 10 minutes before transferring them to a wire rack to cool completely.

Nutritional Information

• Estimates per muffin (based on 6 servings)
• Calories: ~128 kcal
• Total Fat: 9.5g
• Total Carbohydrates: 6g
• Dietary Fiber: 3g
• Net Carbs: 3g
• Protein: 4g

Pro Tips

• for the Perfect Muffin
• Use Room Temperature : Cold eggs or cream can cause the fats to seize and clump. Using room temperature ensures a smooth, emulsified batter.
• Let the Batter Rest: Coconut flour is very absorbent. Letting the batter sit for 2-3 minutes allows it to thicken, which helps suspend the blueberries so they don’t sink.
• Don’t Overmix the Berries: Gently fold in the blueberries. Overmixing can crush them, turning your batter gray and making the muffins dense.
• Cool Completely Before Handling: Keto baked goods are delicate when hot. Let the muffins cool in the pan for 10 minutes, then on a wire rack to allow their structure to set properly.

FAQ

Q: Can I use fresh blueberries instead of frozen
A: Yes, fresh blueberries work perfectly in this recipe. Use the same quantity and gently fold them into the batter to avoid crushing them and turning the batter purple.

Q: Why is it important to let the batter rest
A: Letting the batter rest for 2-3 minutes is a critical step. Coconut flour is very absorbent, and this rest period allows it to soak up the liquid and thicken the batter. This prevents the muffins from being dry and helps suspend the blueberries so they don’t sink to the bottom.

Q: How should I store these keto muffins
A: Store the cooled muffins in an airtight container at room temperature for up to 2 days or in the refrigerator for up to a week. For longer storage, they can be frozen for up to 3 months.

Q: Can I use a different flour instead of coconut flour
A: This recipe is specifically developed for the unique properties of coconut flour. Substituting it with other flours like almond flour is not recommended as it would require significant changes to the liquid and egg ratios to achieve the right consistency.

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