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Keto Lemon Poppy Seed Muffins with poppy seeds on a wooden stand on a light background.
Jon Simon

Keto Lemon Poppy Seed Muffins

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Bright, zesty lemon muffins with a delicate crunch from poppy seeds. Only 3g net carbs per muffin—sunshine in every bite without the sugar spike.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 12 muffins
Course: Breakfast, Dessert, Snack
Cuisine: American
Calories: 155

Ingredients
  

Dry Ingredients
  • 2 cups almond flour finely ground
  • 1/3 cup granulated erythritol or monk fruit sweetener
  • 2 tablespoons poppy seeds
  • 1 1/2 teaspoons baking powder
  • 1/4 teaspoon salt
Wet Ingredients
  • 3 large eggs room temperature
  • 1/4 cup unsalted butter melted and slightly cooled
  • 3 tablespoons fresh lemon juice about 1 large lemon
  • 2 tablespoons lemon zest about 2 lemons
  • 1 teaspoon vanilla extract
Optional Lemon Glaze
  • 3 tablespoons powdered erythritol
  • 1 tablespoon fresh lemon juice

Equipment

Method
 

  1. Preheat your oven to 350°F (175°C). Line a 12-cup muffin tin with paper liners.
  2. In a large mixing bowl, whisk together the almond flour, erythritol, poppy seeds, baking powder, and salt until well combined.
  3. In a medium bowl, whisk together the eggs, melted butter, lemon juice, lemon zest, and vanilla extract until smooth. The mixture will be bright and fragrant.
  4. Pour the wet ingredients into the dry ingredients and stir with a rubber spatula until just combined. The batter will be thick but scoopable.
  5. Divide the batter evenly among the 12 muffin cups, filling each about 2/3 full.
  6. Bake for 18-20 minutes, until the tops are light golden and a toothpick inserted into the center comes out clean.
  7. Allow muffins to cool in the tin for 5 minutes, then transfer to a wire rack to cool completely before glazing.
  8. Optional glaze: Whisk together the powdered erythritol and lemon juice until smooth. Drizzle over the cooled muffins and let set for 5 minutes before serving.

Nutrition

Serving: 1gCalories: 155kcalCarbohydrates: 5gProtein: 6gFat: 13gSaturated Fat: 3gSodium: 90mgFiber: 2gSugar: 1g

Notes

Storage: Keep unglazed muffins in an airtight container at room temperature for 3 days, refrigerate for up to 1 week, or freeze for up to 3 months. Add glaze just before serving for best texture.
Lemon Intensity: For an extra lemony punch, add 1/4 teaspoon of lemon extract to the wet ingredients.
Zesting Tip: Only zest the bright yellow part of the lemon—the white pith underneath is bitter.
Spring Perfect: These muffins are a wonderful addition to Easter brunch or any spring gathering!
Skip the Glaze: Without the glaze, these are 3g net carbs. The glaze adds minimal carbs but isn't necessary—they're delicious either way.

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