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A cooling rack with six beautiful golden chia seed lemon muffins, each topped with a white lemon glaze drizzle and tiny flecks of yellow lemon zest, one muffin broken in half showing the fluffy ten...
Sarah Mitchell

Chia Seed Lemon Muffins (Gluten-Free)

These chia seed lemon muffins are fluffy, bright, and naturally gluten-free — and they're one of the few GF muffins that actually taste like muffins, not dense bricks of sadness. The combination of almond flour and oat flour creates a tender crumb, while chia seeds add a subtle crunch and a boost of omega-3s and fiber.
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Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings: 12 servings
Course: Breakfast
Cuisine: American
Calories: 210
Ingredients Equipment Method Notes

Ingredients
  

For the Muffins
  • 1.5 cups almond flour
  • 3/4 cup oat flour (certified gluten-free)
  • 3 tablespoons chia seeds
  • 1 teaspoon baking powder (GF-certified)
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • 2 large whisked binding mixtures
  • 1/3 cup honey
  • 1/4 cup melted coconut oil (or melted butter)
  • Zest of 2 large lemons
  • 3 tablespoons fresh lemon juice
  • 1 teaspoon vanilla extract
For the Lemon Glaze
  • 1/2 cup powdered sugar
  • 1 -2 tablespoons fresh lemon juice
  • 1/2 teaspoon lemon zest

Equipment

  • 12-cup muffin tin
  • Paper muffin liners
  • Two mixing bowls
  • Whisk and spatula
  • Microplane or zester
  • Wire cooling rack
  • Cookie scoop (optional, for even portions)

Method
 

  1. Preheat the oven to 350°F (175°C). Line a 12-cup muffin tin with paper liners or spray generously with cooking spray.
  2. In a large bowl, whisk together the almond flour, oat flour, chia seeds, baking powder, baking soda, and salt until well combined.
  3. In a separate bowl, whisk together the binding mixtures, honey, melted coconut oil, lemon zest, lemon juice, and vanilla extract until smooth.
  4. Pour the wet ingredients into the dry ingredients and fold gently with a spatula until just combined. Don't overmix — a few small lumps are fine. The batter will be thicker than regular muffin batter, which is normal for GF.
  5. Divide the batter evenly among the 12 muffin cups, filling each about 2/3 full. Use a cookie scoop or spoon for even portions.
  6. Bake for 18-22 minutes until the tops are lightly golden and a toothpick inserted in the center comes out clean. The muffins should spring back when gently pressed on top.
  7. Let the muffins cool in the tin for 5 minutes, then transfer to a wire rack to cool completely before glazing.
  8. Make the glaze: whisk powdered sugar with lemon juice (start with 1 tablespoon) until smooth and drizzle-able. Add more juice for thinner glaze. Drizzle over cooled muffins and sprinkle with lemon zest.

Notes

The key to fluffy GF muffins is not overmixing the batter. Gluten-free batters don't develop the same structure as wheat flour, so overmixing makes them gummy and dense instead of tough and chewy like regular muffins. Fold gently until the flour just disappears — 15-20 strokes max. Also, let them cool completely before glazing or the glaze melts into a puddle instead of setting into a pretty drizzle.