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Easy & Moist Lemon Zucchini Muffins

These easy and quick lemon zucchini muffins are incredibly moist and tender, bursting with fresh lemon flavor and the hidden goodness of zucchini. Perfect for breakfast, a snack, or a light dessert, they're a delightful way to use up summer zucchini.
Prep Time 20 minutes
Cook Time 20 minutes
Servings 12 muffins

Equipment

  • Muffin tin 12-cup
  • Paper liners
  • Medium bowl
  • Large bowl
  • Stand Mixer or hand mixer
  • paddle attachment if using stand mixer
  • Spatula
  • Ice cream scoop (optional)
  • Wire rack
  • Small bowl
  • Whisk
  • Oven

Ingredients
  

Muffins

  • All-purpose flour
  • Kosher salt
  • Baking powder
  • Baking soda
  • Plain Greek yogurt or sour cream
  • Fresh lemon juice for muffins
  • Unsalted butter softened
  • Granulated sugar
  • Lemon zest
  • Large eggs room temperature
  • Grated zucchini gently drained

Glaze

  • Powdered sugar
  • Fresh lemon juice for glaze

Instructions
 

  • First, preheat your oven to 375°F (190°C) and line a 12-cup muffin tin with paper liners.
  • In a medium bowl, whisk together the flour, salt, baking powder, and baking soda. Set this aside for now.
  • In a separate, larger bowl, whisk together the Greek yogurt (or sour cream) and the 2 tablespoons of fresh lemon juice.
  • Now, grab your softened butter and granulated sugar. In a stand mixer with the paddle attachment, or using a hand mixer and a large bowl, cream the butter and sugar together on medium speed until they are light and fluffy (about 2-3 minutes).
  • Add the lemon zest to the creamed butter and sugar and mix for about 30 seconds until fragrant.
  • Beat in the eggs one at a time, mixing well after each addition. Scrape down the sides of the bowl as needed.
  • Reduce the mixer speed to low. Add about half of the dry ingredients to the wet ingredients and mix just until combined.
  • Next, add the yogurt/lemon juice mixture and mix until just incorporated.
  • Add the remaining dry ingredients and mix on low speed just until the batter is combined and there are no visible streaks of flour. Be careful not to overmix!
  • Gently fold in the drained grated zucchini using a spatula. Don't mash it in, just fold until it's evenly distributed.
  • Divide the batter evenly among the 12 prepared muffin cups, filling them about two-thirds to three-quarters full.
  • Bake for 20-25 minutes, or until a toothpick inserted into the center of a muffin comes out clean.
  • Let the muffins cool in the tin for 5-10 minutes before transferring them to a wire rack to cool completely.
  • While the muffins cool, make the glaze! In a small bowl, whisk together the powdered sugar and 1 ½ tablespoons of fresh lemon juice. Add more lemon juice, about ½ teaspoon at a time, if needed for desired consistency.
  • Once the muffins are completely cool, drizzle the glaze over the tops. Let the glaze set for a few minutes before serving.

Notes

Tips for Success:
- Drain Your Zucchini: Squeeze out excess moisture after grating to prevent soggy muffins.
- Don't Overmix: Mix dry and wet ingredients just until combined for tender muffins.
- Use Room Temperature Ingredients: Helps everything emulsify smoothly.
- Measure Flour Correctly: Spoon into the cup and level off to avoid using too much flour.
- Check for Doneness: Use the toothpick test – it should come out clean or with a few moist crumbs.
Storage:
- Room Temperature: Store cooled muffins in an airtight container for up to 2-3 days. Store glazed muffins in a single layer.
- Refrigerator: Store in the fridge for up to 5 days.
- Freezer: Freeze baked and cooled muffins wrapped tightly for up to 3 months. Thaw at room temperature or warm gently. Consider glazing after thawing if frozen glazed.
FAQs:
- Frozen Zucchini: Thaw completely and squeeze well before using.
- Lumpy Batter: A slightly lumpy batter is fine and can indicate you haven't overmixed.