Blueberry Zucchini Bread With Lemon Glaze tastes like a moist lemon loaf and a juicy blueberry muffin had a very delicious, very cozy baby. It works for busy home bakers who want a not-too-sweet snack or breakfast treat on the table in about 1 hour 15 minutes, start to finish. I baked a version of this for my neighbor once, and she “forgot” to return the plate for three weeks because she kept slicing off “just one more piece.”

Why Make This Blueberry Zucchini Bread With Lemon Glaze at Home

Homemade blueberry zucchini bread stays incredibly moist, uses up extra zucchini, and packs in bright lemon flavor that store-bought loaves rarely match. You control the sweetness, the amount of lemon, and the texture, so the bread tastes exactly how you like it.

You also skip preservatives and mystery ingredients and use what you already have in your pantry. The recipe works well for brunch, snacks, lunchboxes, or a quick dessert, so you get a lot of mileage from one loaf.

“This Blueberry Zucchini Bread With Lemon Glaze tastes bakery-level fancy but comes together with simple ingredients and zero stress.” ★★★★★

Ingredients You Need

Dry ingredients

All-purpose flour
- Use regular unbleached flour.
- You can swap up to 1 cup with white whole wheat flour for a slightly heartier texture.
Baking powder
Baking soda
Fine sea salt
Ground cinnamon
- Optional but adds warmth that pairs nicely with blueberries and lemon.

Wet ingredients

Large eggs, room temperature
Granulated sugar
- You can replace up to 1/3 of the sugar with light brown sugar for a hint of caramel flavor.
Neutral oil (canola, vegetable, or light olive oil)
- Oil keeps the bread extra tender and moist.
Plain Greek yogurt or sour cream
- This adds tang and softness. Use full-fat for best texture.
Pure vanilla extract
Fresh lemon zest
- Zest gives stronger lemon flavor than juice in the batter.
Fresh lemon juice
- You will use this mainly in the glaze, with a bit in the batter if you like extra lemon.

Produce

Zucchini
- Choose small to medium zucchini, which taste sweeter and contain less water.
- You do not need to peel them.
Fresh blueberries
- Rinse and dry them well.
- You can use frozen blueberries; do not thaw them, and toss them with a bit of flour to reduce bleeding.

Lemon glaze ingredients

Powdered sugar
Fresh lemon juice
Lemon zest (optional, for extra zing)
A pinch of salt
A teaspoon or two of milk or cream if you want a slightly creamier glaze

Pantry shortcuts and notes

Use bottled lemon juice only in a pinch; fresh lemon gives brighter flavor.
Use pre-shredded zucchini from the store only if it looks fresh and not dried out.
Use nonstick baking spray with flour to coat the loaf pan quickly.
Use parchment paper to line the pan so you lift the loaf out easily.

Equipment list

9 x 5 inch loaf pan
Mixing bowls: one large, one medium
Whisk and rubber spatula
Box grater or food processor with shredding disc for zucchini
Fine mesh strainer or clean kitchen towel to squeeze zucchini
Microplane or fine grater for lemon zest
Measuring cups and spoons
Cooling rack
Small bowl and spoon for glaze

Tips & Mistakes

Squeeze the zucchini well so the batter does not turn soggy.
Pat the blueberries dry and toss them with a tablespoon of flour so they do not all sink.
Do not overmix the batter; stir just until the flour disappears to keep the crumb tender.
Fill the loaf pan only about two-thirds to three-quarters full so it bakes evenly.
Check for doneness with a toothpick in the center; if it comes out with wet batter, bake longer in 5 minute increments.
Let the bread cool at least 20 to 30 minutes before you glaze so the glaze does not slide off.
Use room temperature eggs and yogurt so the batter mixes smoothly.
Avoid cutting into the loaf while it still feels hot, or it may crumble and look messy.
Store the glaze separately if you plan to freeze slices so they do not stick together.
Use light-colored metal pans; dark pans brown the edges faster and can dry them out.

How to Make Blueberry Zucchini Bread With Lemon Glaze

Step 1: Prep the pan and oven

Preheat your oven to 350°F (175°C). Grease a 9 x 5 inch loaf pan and line it with a parchment sling that hangs over the long sides so you can lift the bread out easily. Lightly grease the parchment as well.

Step 2: Prep the zucchini

Wash and dry the zucchini. Grate it on the medium holes of a box grater. Place the grated zucchini in a clean kitchen towel or fine mesh strainer and squeeze out as much moisture as you can, then fluff it with a fork.

Step 3: Mix the dry ingredients

In a medium bowl, whisk together flour, baking powder, baking soda, salt, and cinnamon. Set the bowl aside. This step distributes the leaveners evenly so the bread rises nicely.

Step 4: Mix the wet ingredients

In a large bowl, whisk the eggs and sugar until the mixture looks slightly thick and pale. Add the oil, yogurt or sour cream, vanilla, lemon zest, and a tablespoon of lemon juice if you like a stronger lemon flavor. Whisk until the mixture looks smooth and fully combined.

Step 5: Combine wet and dry

Add the dry ingredients to the wet ingredients in two additions. Stir gently with a spatula until you see only a few streaks of flour. Add the squeezed zucchini and fold it in until it blends evenly into the batter.

Step 6: Add the blueberries

In a small bowl, toss the blueberries with a tablespoon of flour. Fold the blueberries into the batter gently so you do not crush them. The batter should feel thick but scoopable.

Step 7: Fill the pan and bake

Pour the batter into the prepared loaf pan and smooth the top with a spatula. Tap the pan lightly on the counter to release any large air bubbles. Bake on the center rack for about 55 to 65 minutes, until a toothpick inserted in the center comes out with a few moist crumbs but no wet batter.

Step 8: Cool the bread

Place the pan on a cooling rack and let the bread cool in the pan for 10 to 15 minutes. Lift the loaf out using the parchment and set it directly on the rack. Let it cool until just slightly warm before you glaze it.

Step 9: Make the lemon glaze

In a small bowl, whisk powdered sugar with fresh lemon juice and a pinch of salt. Add just enough lemon juice to reach a thick but pourable consistency that slowly runs off the spoon. Stir in a bit of lemon zest if you want extra citrus punch.

Step 10: Glaze and slice

Drizzle the lemon glaze over the cooled or slightly warm loaf, letting it drip down the sides. Let the glaze set for about 15 minutes so it firms up. Slice with a sharp serrated knife, wiping the blade between cuts for clean slices.

Variations I've Tried

Lemon blueberry zucchini muffins: Spoon the batter into a lined muffin tin and bake at 350°F for about 18 to 22 minutes. Glaze the tops lightly once they cool. This version works well for lunchboxes and portion control.
Whole wheat version: Swap half of the all-purpose flour with white whole wheat flour. Add an extra tablespoon of yogurt to keep the crumb soft. The bread tastes slightly nuttier but still moist.
Coconut twist: Stir in 1/2 cup shredded unsweetened coconut and use coconut oil instead of neutral oil. The coconut flavor pairs nicely with lemon and blueberry.
Nutty crunch: Fold in 1/2 cup chopped toasted pecans or walnuts with the blueberries. The nuts add texture and make the bread feel more like a breakfast loaf.
Extra lemon loaf: Add more zest and a bit more juice to the batter and glaze. The bread turns into a bright, tangy lemon-blueberry loaf that wakes up your taste buds.

How to Serve Blueberry Zucchini Bread With Lemon Glaze

Serve slices slightly warm or at room temperature so the crumb feels soft and the glaze tastes bright. Pair a slice with hot coffee, tea, or a cold glass of milk for a simple breakfast or afternoon snack. Add fresh berries and a spoonful of vanilla yogurt on the side to turn it into a light dessert. Pack slices in lunchboxes or picnic baskets, and watch them disappear faster than you expect.

How to store

Room temperature: Store the glazed loaf or slices in an airtight container at room temperature for up to 2 days. Place parchment between slices so they do not stick.
Refrigerator: Keep the bread in a sealed container in the fridge for up to 5 days. Bring slices to room temperature or warm them slightly before serving so the texture softens.
Freezer (whole loaf): Wrap the unglazed loaf tightly in plastic, then in foil, and freeze for up to 2 months. Thaw overnight in the fridge, then glaze before serving.
Freezer (slices): Wrap individual slices in plastic or parchment, place them in a freezer bag, and freeze for up to 2 months. Thaw at room temperature or warm in the microwave in short bursts until just warm.
Best reheating method: Warm slices in a 300°F oven or toaster oven for 5 to 8 minutes, or microwave for 10 to 15 seconds, just until the crumb feels soft and the glaze loosens slightly.