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Keto Lemon Blueberry Muffins
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4.5 from 2 votes

Keto Lemon Blueberry Muffins

Prep Time15 mins
Cook Time25 mins
Total Time40 mins
Course: Breakfast
Keyword: keto muffins
Servings: 10 muffins
Calories: 300kcal



  • 1 cup almond flour 112g
  • ~1/2 cup powdered monkfruit/erythritol sweeter 105g
  • 1/2 cup coconut flour 56g
  • 2 tsp baking powder
  • 1/4 tsp baking soda
  • 1/2 tsp xanthan gum
  • 1/4 tsp salt
  • 2/3 cup sour cream room temperature 150g
  • 6 tbsp salted butter melted 90g
  • 2 eggs room temperature
  • 2 tbsp 18% or 35% cream
  • 1 tsp vanilla extract
  • zest from one large lemon ~1 tbsp
  • juice from one large lemon ~3 tbsp
  • 6 oz container of fresh blueberries ~ 3/4 cup

Streusel Topping:


  • 6 tbsp powdered monkruit/erythritol sweetener 70g
  • 1 1/2 tbsp 18% cream
  • 1/4 tsp vanilla extract


  • Pre-heat oven to 350*F.
  • In a large bowl, combine all of your dry ingredients including your sweetener and mix.
  • In another bowl, melt your butter and add the eggs, cream and vanilla extract. Whisk well with a fork.
  • Add your butter mixture to the dry ingredients along with the sour cream, lemon zest and lemon juice and stir to form a thick batter.
  • Fold in your blueberries and line a muffin tin with 10 wrappers.
  • Use a muffin scoop to evenly disperse your batter between the 10 cups.
  • In another bowl, mix together your streusel ingredients until they form a crumbly dough.
  • Crumble this mixture over each muffin top.
  • Bake the muffins for 25min or until a toothpick comes out clean and the tops are lightly browned. Cool on a wire rack. (*See tip above about how long to bake them)
  • Meanwhile you can make your glaze by combining the above 3 ingredients in a small bowl and whisking until smooth.
  • Pour the glaze over each of the cooled muffins. Let it set for a few minutes then serve! You can also store these muffins in an airtight container on the counter or freeze them between layers of wax paper for a future snack. Enjoy your Keto Lemon Blueberry Muffins!


  • The NET carbs for one muffin is 6g
  • When making the streusel topping, add the extra tablespoon of coconut flour if needed. You want the mixture a bit crumbly but not TOO dry. 
  • When baking these muffins, watch the time. My oven bakes more slowly than others typically but mine took about 30min total. Don't take them out under-done! Make sure a toothpick comes out clean first. 
  • If you find the streusel topping to be browning too quickly when baking them, try baking them on a lower rack in your oven.
  • SEE ABOVE in the post for instructions on substituting certain ingredients.


Fiber: 5g | Calories: 300kcal | Fat: 26.5g | Protein: 7g | Carbohydrates: 6g