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Lemon Blueberry Keto Muffins (Coconut Flour) - Bright, Fluffy, and Low-Carb

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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 12 servings
Ingredients Method

Ingredients
  

  • 6 large eggs (room temperature, for best mixing)
  • 1/3 cup coconut oil or unsalted butter, melted and slightly cooled
  • 1/3–1/2 cup keto-friendly sweetener (granulated erythritol or allulose; adjust to taste)
  • 1/2 cup coconut flour
  • 1 teaspoon baking powder (gluten-free if needed)
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon fine sea salt
  • 1/2 cup unsweetened almond milk (or coconut milk)
  • 1 tablespoon fresh lemon zest
  • 2 tablespoons fresh lemon juice
  • 1 teaspoon vanilla extract
  • 3/4–1 cup blueberries (fresh or frozen; see tips below)
  • Optional: 1–2 tablespoons coconut flour for tossing blueberries, and a few extra blueberries for topping

Method
 

  1. Preheat and prep: Heat the oven to 350°F (175°C). Line a 12-cup muffin pan with paper liners or grease well.
  2. Whisk wet ingredients: In a large bowl, whisk eggs, melted coconut oil (or butter), sweetener, almond milk, lemon zest, lemon juice, and vanilla until smooth.
  3. Add dry ingredients: Sift in coconut flour, baking powder, baking soda, and salt. Whisk until no lumps remain. The batter will thicken as the coconut flour absorbs moisture—this is normal.
  4. Adjust consistency: If the batter seems too thick (like cookie dough), add a splash of almond milk. You want a thick but scoopable batter.
  5. Fold in blueberries: If using frozen blueberries, do not thaw. For fewer streaks, toss blueberries with a teaspoon of coconut flour first. Gently fold into the batter.
  6. Fill the pan: Divide batter evenly among the muffin cups, filling each about 3/4 full. Add a few extra blueberries on top if you like.
  7. Bake: Bake 18–22 minutes, or until the tops are set and lightly golden, and a toothpick comes out clean or with a few moist crumbs.
  8. Cool: Let muffins cool in the pan for 5 minutes, then transfer to a rack. Cool completely for best texture.