Zucchini Muffins

from 12 votes

These extra-moist zucchini muffins are made with olive oil, warming cinnamon and plenty of chocolate chips for the ultimate grab-and-go breakfast or snack. My #1 tip? Wring out the zucchini before adding it to the batter for perfectly domed, bakery-style muffins every time.

Moist zucchini muffins studded with chocolate chips and topped with sanding sugar.

When it comes to summer baking, my chocolate chip zucchini bread is always at the top of my list. It’s been a reader favorite for more than a decade, so it was only a matter of time before I turned it into muffins.

These zucchini muffins have everything I love about that quick bread: a soft, incredibly moist crumb, warming cinnamon, plenty of melty chocolate chips and just enough zucchini to make me feel like I’m sneaking a vegetable into breakfast. Better yet, they bake in a fraction of the time, freeze beautifully and reheat in seconds.

Kelly’s Note: I originally shared this recipe in 2022 as mini zucchini muffins, and while my kids absolutely loved the bite-sized version (they’re perfect for lunchboxes!), I’ve since updated it to standard-size muffins so more people can make them without needing a special pan. If you’re Team Mini Muffin, don’t worry. I’ve included instructions for both!

A white serving platter loaded with mini chocolate chip zucchini muffins.

The Sneakiest Way to Eat Your Vegetables

Zucchini is one of my favorite baking ingredients because it does two things really well:

  1. Keeps baked goods incredibly moist.
  2. Sneaks a serving of vegetables into something everyone is excited to eat.

The best part? You can’t taste it. Once it’s grated, squeezed dry and folded into the cinnamon-spiced batter, the zucchini goes totally undetected. My kids have been happily eating these chocolate chip zucchini muffins for years without giving that little green vegetable a second thought. It’s the same reason my zucchini oatmeal chocolate chip cookies are such a favorite around here.

For even more inspiration, check out all of my zucchini recipes.

Key Ingredients You’ll Need

All the ingredients needed to make zucchini muffins with chocolate chips, in various-sized prep bowls.

There aren’t any fancy ingredients here, just everyday baking staples plus a few that make this recipe stand out:

  • Extra-virgin olive oil: My not-so-secret ingredient for incredibly moist muffins with a subtle depth of flavor and healthy fats. It’s the same reason I use it in my Greek yogurt zucchini bread.
  • Ground cinnamon: Gives these muffins their signature flavor. Want even more warming spice? Add ¼ teaspoon ground nutmeg.
  • Zucchini: One medium zucchini should give you the 1 loosely packed cup you’ll need. Grate it using the large holes of a box grater, then wring it out really well in a clean kitchen towel.
  • Optional mix-ins: My kids love chocolate chips so that’s usually what goes into every batch of muffins I make, from raspberry muffins and Greek yogurt banana bread muffins to pumpkin chocolate chip muffins and today’s zucchini muffins. Feel free to swap in chopped walnuts or pecans, or do half and half like I sometimes do! Raisins or flaked coconut would be delicious, too.
  • Optional sanding sugar topping: My favorite finishing touch. It adds sparkle, crunch and that coveted bakery-style look. I use this sanding sugar and love it.

See the recipe card for full information on ingredients and quantities.

A pile of shredded zucchini is next to a box grater.

My #1 Success Tip: Wring Out the Zucchini

This is the step that separates a great zucchini bread muffin from a soggy, dense one. And it’s the step most recipes skip.

Zucchini is made up of mostly water, which is great for keeping baked goods moist… until there’s too much of it. It’s the same reason I wring out the zucchini for my zucchini banana bread, zucchini bacon cheddar scones, cheesy zucchini casserole and zucchini fritters.

After grating the zucchini on the large holes of a box grater (no need to peel first!), measure out 1 loosely packed cup, then transfer it to a clean kitchen towel and wring out as much liquid as possible.

One important note: Measure the zucchini before squeezing it, not after. Otherwise, you’ll end up using far less zucchini than the recipe calls for.

Expect a Thick Batter

These muffins come together with just two bowls (no mixer required!). Start by whisking the dry ingredients in one bowl and the wet ingredients in another, then fold the wet into the dry.

At this point, the batter will be very thick.

Zucchini muffin batter in a large prep bowl.

Fold in the shredded zucchini and any mix-ins you’re using. The batter will loosen just enough to become thick and scoopable. Divide it among your lined muffin cups, filling each about two-thirds full. I like using an ice cream scoop for this step so each muffin cup gets the same amount of batter. Sprinkle with sanding sugar if using.

The High-Then-Low Oven Trick

Here’s a technique tip borrowed from professional bakeries: Start the muffins at 425°F for just 5 minutes, then without opening the oven, reduce the temperature to 375°F for the remainder of the bake.

That initial blast of high heat gives the muffins a quick burst of lift, creating those beautiful domed tops. It’s the same idea behind why popovers puff so dramatically. Lowering the temperature lets the centers finish baking gently without overbaking the tops or edges.

Don’t open the oven door when you lower the temperature. Just turn the dial and let the oven do the rest.

Team Mini Muffin? I originally developed this recipe as mini zucchini muffins, and they’re still one of my kids’ favorite lunchbox snacks!

To make them, preheat the oven to 400°F. Grease a mini muffin pan with cooking spray, then divide the batter among the cups, filling each one full. Bake until a toothpick inserted into the center comes out clean, 14 to 18 minutes. Because mini muffins bake so quickly, there’s no need for the high-then-low oven method.

Yield: About 24 mini muffins.

Fresh-baked zucchini muffins with chocolate chips in a muffin pan.

Storage & Freezing

These muffins stay soft and moist for days thanks to the olive oil and zucchini. Store them in an airtight container at room temperature for up to 3 days or in the refrigerator for up to 1 week.

They also freeze like a dream. Freeze the completely cooled muffins in a freezer-safe bag or airtight container for up to 3 months. Any excess condensation that comes from warm zucchini muffins in a cold freezer will change the texture (read: chewiness galore, and not in a good way!).

Reheat one in the microwave for 15 to 20 seconds, and breakfast (or snack time) is served.

Zucchini chocolate chip muffins with sanding sugar.
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Breakfast

Zucchini Muffins

Extra-moist zucchini muffins made with olive oil, warming cinnamon and your choice of chocolate chips or nuts. Wringing out the zucchini is the secret to perfectly domed, bakery-style muffins every time. See the Notes below for mini muffins, storage and freezing instructions.
Author: Kelly Senyei
4.84 from 12 votes
Moist zucchini muffins studded with chocolate chips and topped with sanding sugar.
Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings 12 muffins

Ingredients 

  • 1 1/2 cups all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon kosher salt
  • 2 large eggs
  • 1/3 cup extra-virgin olive oil
  • 1 cup sugar
  • 2 teaspoons vanilla extract
  • 1 medium zucchini (See Kelly's Note)
  • 2/3 cup chocolate chips or chopped walnuts (optional)
  • Sanding sugar, for sprinkling on top (optional)

Instructions 

  • Preheat the oven to 425°F. Line a standard muffin pan with baking cups. 
  • In a large bowl, whisk together the flour, baking powder, baking soda, cinnamon and salt.
  • In a separate medium bowl, whisk together the eggs, olive oil, sugar and vanilla extract. Fold the wet ingredients into the dry. (The batter will be very thick but will loosen as soon as the zucchini is added.)
  • Grate the zucchini on a box grater then measure out 1 loosely packed cup and transfer it to a kitchen towel. Wring out as much moisture as possible.
  • Fold the grated zucchini and chocolate chips into the batter.
  • Divide the batter among the mini muffin tin cups, filling each cup two-thirds full. Sprinkle the tops with a little sanding sugar, if desired.
  • Bake the muffins at 425°F for 5 minutes, then without opening the oven, reduce the temperature to 375°F and continue baking them until a toothpick inserted comes out clean, an additional 15 to 18 minutes. 
  • Remove the muffins from the oven and let them cool for at least 5 minutes in the pan before serving. 

Kelly’s Notes

  • Zucchini: I don’t peel the zucchini before grating it, but you certainly can if you prefer. Grate it using the large holes of a box grater. One medium zucchini should yield the 1 loosely packed cup needed for this recipe.
  • Measure before squeezing: Grate the zucchini, measure out 1 loosely packed cup, then wring it out well in a clean kitchen towel. Measuring after squeezing will leave you with too little zucchini.
  • Mix-ins: Mini chocolate chips are my favorite, but regular chocolate chips work, too. You can also swap in chopped walnuts, pecans or raisins, do half chocolate chips and half nuts, or leave the muffins plain.
  • Mini muffins: To make mini muffins, preheat the oven to 400°F. Grease a mini muffin pan with cooking spray and fill each cup full. Bake for 14 to 18 minutes, or until a toothpick inserted into the center comes out clean. Makes about 24 mini muffins.
  • Storage: Store in an airtight container at room temperature for up to 3 days or in the refrigerator for up to 1 week.
  • Freezing: Freeze completely cooled muffins in a freezer-safe bag or airtight container for up to 3 months.
  • Did you make this recipe? Don’t forget to give it a star rating below!

Nutrition

Calories: 189kcal, Carbohydrates: 29g, Protein: 3g, Fat: 7g, Saturated Fat: 1g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 5g, Trans Fat: 0.003g, Cholesterol: 27mg, Sodium: 172mg, Potassium: 56mg, Fiber: 1g, Sugar: 17g, Vitamin A: 61IU, Vitamin C: 2mg, Calcium: 20mg, Iron: 1mg

Did you try this recipe?

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4.84 from 12 votes (3 ratings without comment)

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Comments

  1. Lauren says:

    5 stars
    Great recipe, easy delicious bites for our toddler and us!!

    1. Kelly Senyei says:

      Thrilled you enjoyed it, Lauren!

  2. Susan says:

    5 stars
    I love making these muffins! I double the recipe every time, one batch is never enough. I love not needing the paper cups, no littering! Once they are baked, I test with a toothpick, wait a couple minutes if that, and turn them on their side to cool a bit. Pop them in an air tight container or if freezing , in a freezer bag they go . Ready when I need them. Anybody that tryโ€™s them, loves them. I also put chocolate chips, and walnuts in my batch.
    Thanks Kelly for sharing a great recipe.

    1. Kelly Senyei says:

      So glad you are enjoying the recipe, Susan!

  3. Kendra Alcazaar says:

    4 stars
    I made this recipe with alternative flours and the texture was still light and fluffy as promised. However, I would recommend using avocado oil instead of olive, since the olive oil caused a slight aftertaste.

    1. Kelly Senyei says:

      Glad you enjoyed it, Kendra!

  4. Amanda L. says:

    5 stars
    These were epic!! Perfect way to get my picky toddler to finally eat some veggies. Putting them on the regular rotation. And they’re great for lunch boxes too. Yum!

    1. Kelly Senyei says:

      Love reading that, Amanda!

  5. MaggieLovesBaking says:

    5 stars
    Amazing!! These were healthy sweet snacks that I will be making again!! Whole family loves them. I made regular size muffins instead of mini and just increased the time a tad. Thank you so much!!

    1. Kelly Senyei says:

      So glad you enjoyed the recipe!

  6. Jess says:

    4 stars
    Very good! I did taste the salt so Iโ€™ll probably decrease that next time and I might cut back on the sugar and add raisins for sweetness. I didnโ€™t use chocolate chips. The muffins themselves were so good and sweet that it doesnโ€™t need them!

  7. Lisa Braun Glazer says:

    5 stars
    Great recipe and very easy! I changed it up a bit, adding 1/2 light brown sugar instead of all white. Grandkids LOVE these delicious little treats!

    1. Kelly Senyei says:

      I’m so thrilled your grandkids enjoyed the muffins, Lisa!

    2. Arlene says:

      5 stars
      Just made these for my neighbor. She loved them. She said next time I needed to add walnuts and raisins.

      1. Kelly Senyei says:

        So glad you enjoyed it, Arlene!

  8. Becca says:

    5 stars
    SO GOOD! Thanks for sharing this recipe. My family loves these mini muffins!

    1. Kelly Senyei says:

      I’m thrilled you enjoyed the recipe, Becca!