
Lemon Zucchini Cake With Sweet Lemon Glaze tastes bright, tender, and moist, with a sunny citrus kick that keeps you going back for “just one more slice.” It works perfectly for busy home bakers who want a bakery-style dessert in about 1 hour from start to finish. I first baked this on a Tuesday night to use up zucchini and ended up eating cake for breakfast the next morning, zero regrets.
Why Choose This Lemon Zucchini Cake With Sweet Lemon Glaze
This lemon zucchini cake stays incredibly moist without feeling heavy, thanks to finely shredded zucchini and a generous hit of fresh lemon juice and zest. The sweet lemon glaze sinks into the warm cake and adds a tart, glossy finish that tastes like a bakery treat.
You mix everything in basic bowls with no fancy tools, and the batter comes together quickly with simple pantry staples. The recipe works well for brunch, potlucks, or weeknight dessert, and it tastes even better the next day.
“Bright, moist, and full of lemon flavor, this Lemon Zucchini Cake With Sweet Lemon Glaze tastes like summer in every bite ★★★★★”
Ingredients You’ll Need
Dry ingredients
- 2 cups all-purpose flour (I like King Arthur or Gold Medal for consistent texture)
- 1 ½ teaspoons baking powder
- ½ teaspoon baking soda
- ½ teaspoon fine sea salt
- 1 teaspoon ground cinnamon (optional but adds cozy depth)
Wet ingredients
- 2 large eggs, room temperature
- 1 cup granulated sugar
- ½ cup neutral oil (canola, vegetable, or light olive oil)
- ⅓ cup plain Greek yogurt or sour cream (adds richness and moisture)
- 2 teaspoons pure vanilla extract
- Zest of 2 medium lemons
- ¼ cup fresh lemon juice (about 2 lemons)
Zucchini
- 1 ½ cups finely shredded zucchini, lightly packed
- About 1 medium zucchini
- Do not peel; the green flecks look pretty and add nutrients
- Pat gently with a paper towel if very watery, but do not squeeze dry
Sweet lemon glaze
- 1 ½ cups powdered sugar, sifted
- 2 to 3 tablespoons fresh lemon juice
- 1 tablespoon milk or cream (adjust for thickness)
- ½ teaspoon pure vanilla extract
- Extra lemon zest for topping (optional but highly recommended)
Pantry shortcuts and substitutions
- Use bottled lemon juice only in the glaze if needed, but keep fresh lemon juice and zest in the cake for best flavor.
- Swap Greek yogurt with sour cream in equal amounts, or use plain regular yogurt if that is what you have.
- Use coconut oil (melted and cooled) instead of neutral oil for a light coconut note.
- Use gluten free all-purpose baking blend in place of regular flour, same amount, if you need a gluten free version.
Equipment list
- 9 by 13 inch baking pan or 2 8 inch round cake pans
- Parchment paper (optional but helps with easy removal)
- Two mixing bowls (one large, one medium)
- Whisk and rubber spatula
- Box grater or food processor with shredding disc for zucchini
- Microplane or fine grater for lemon zest
- Wire rack for cooling
Tips & Tricks
- Use room temperature eggs and yogurt so the batter mixes smoothly and bakes evenly.
- Grate zucchini on the fine side of the box grater so it melts into the cake without stringy bits.
- Blot zucchini gently with a paper towel if it releases a lot of liquid, but keep some moisture for a tender crumb.
- Zest lemons before you juice them, since whole lemons feel easier to handle.
- Whisk dry ingredients together fully so baking powder and baking soda distribute evenly.
- Do not overmix the batter; stir just until no dry streaks of flour remain to avoid a tough cake.
- Check the cake a few minutes early, since every oven runs a little different; the top should spring back lightly.
- Pour the lemon glaze over the cake while it still feels slightly warm so it soaks in and sets with a shiny finish.
- Slice with a sharp knife and wipe the blade between cuts for clean edges and neat squares.
How to Make Lemon Zucchini Cake With Sweet Lemon Glaze
Step 1: Prep the pan and oven
Preheat your oven to 350°F. Grease a 9 by 13 inch pan with oil or nonstick spray, then line the bottom with parchment if you want easy lifting. Set the pan aside while you mix the batter.
Step 2: Shred and prep the zucchini
Wash and dry the zucchini. Grate it on the fine side of a box grater or use a food processor with a shredding disc. Lightly blot the shredded zucchini with a paper towel if it looks very wet, then measure 1 ½ cups and set aside.
Step 3: Mix the dry ingredients
In a medium bowl, whisk together the flour, baking powder, baking soda, salt, and cinnamon. Break up any clumps so the mixture looks light and even. Set the bowl aside.
Step 4: Mix the wet ingredients
In a large bowl, whisk the eggs and sugar until the mixture looks pale and slightly thick. Add the oil, yogurt or sour cream, vanilla, lemon zest, and lemon juice. Whisk until everything looks smooth and fully combined.
Step 5: Combine wet and dry
Add the dry ingredient mixture to the wet ingredients in two additions. Stir gently with a spatula until no dry flour streaks remain. Fold in the shredded zucchini just until it spreads evenly through the batter.
Step 6: Bake the cake
Pour the batter into the prepared pan and smooth the top with a spatula. Tap the pan lightly on the counter to release any large air bubbles. Bake for 28 to 34 minutes, until a toothpick inserted in the center comes out clean or with a few moist crumbs.
Step 7: Cool the cake
Place the pan on a wire rack. Let the cake cool in the pan for about 15 to 20 minutes, until it feels warm but not hot. While it cools, mix the sweet lemon glaze.
Step 8: Mix the sweet lemon glaze
In a medium bowl, whisk the powdered sugar, 2 tablespoons lemon juice, milk or cream, and vanilla. Add more lemon juice or a tiny splash of milk until the glaze reaches a thick but pourable consistency. It should slowly run off the whisk in ribbons.
Step 9: Glaze the cake
Poke small holes over the warm cake with a toothpick if you want extra soak. Pour the sweet lemon glaze evenly over the surface and spread gently with an offset spatula or the back of a spoon. Sprinkle extra lemon zest on top for a bright, pretty finish.
Step 10: Slice and serve
Let the glazed cake cool completely so the glaze sets and the slices hold their shape. Cut into squares or rectangles, depending on how generous you feel. Serve plain or with a little whipped cream or vanilla ice cream.
What to Serve with it?
Lemon Zucchini Cake With Sweet Lemon Glaze pairs beautifully with fresh berries like raspberries, blueberries, or sliced strawberries. Add a spoonful of lightly sweetened whipped cream or a scoop of vanilla or lemon ice cream for a dessert plate that looks restaurant worthy. Serve it with hot coffee, iced coffee, black tea, or herbal tea for a cozy afternoon treat. It also fits nicely on a brunch table next to a veggie frittata, fruit salad, and yogurt parfaits.
Storage Options
- Store leftover cake tightly covered at room temperature for up to 2 days; the glaze keeps the top soft and moist.
- Keep the cake in an airtight container in the fridge for up to 5 days if your kitchen runs warm.
- Freeze individual slices on a baking sheet until firm, then wrap each slice in plastic and place in a freezer bag for up to 2 months.
- Reheat slices from the fridge in the microwave for 10 to 15 seconds, or let frozen slices thaw at room temperature, then warm gently if you like a slightly warm, soft crumb.

Lemon Zucchini Cake With Sweet Lemon Glaze
Ingredients
Method
- Preheat the oven to 350°F. Grease a 9x13-inch baking pan with oil or nonstick spray and line the bottom with parchment paper if desired.
- Wash and dry the zucchini. Finely grate it using a box grater or food processor. Lightly blot with a paper towel if very wet, then measure 1 1/2 cups and set aside.
- In a medium bowl, whisk together the flour, baking powder, baking soda, salt, and cinnamon until well combined. Set aside.
- In a large bowl, whisk the eggs and granulated sugar until pale and slightly thick. Whisk in the oil, yogurt or sour cream, vanilla extract, lemon zest, and lemon juice until smooth.
- Add the dry ingredients to the wet ingredients in two additions, stirring gently just until no dry streaks of flour remain. Fold in the shredded zucchini until evenly distributed.
- Pour the batter into the prepared pan and smooth the top with a spatula. Tap the pan lightly on the counter to release any large air bubbles.
- Bake for 28 to 34 minutes, or until the top springs back lightly and a toothpick inserted in the center comes out clean or with a few moist crumbs.
- Place the pan on a wire rack and let the cake cool in the pan for 15 to 20 minutes, until warm but not hot.
- While the cake cools, make the glaze: in a medium bowl whisk together the powdered sugar, 2 tablespoons lemon juice, milk or cream, and vanilla until smooth. Add more lemon juice or a tiny splash of milk as needed to reach a thick but pourable consistency.
- If desired, poke small holes over the warm cake with a toothpick. Pour the sweet lemon glaze evenly over the surface and spread gently. Sprinkle extra lemon zest on top if using.
- Let the glazed cake cool completely so the glaze sets, then slice into squares or rectangles and serve.
Notes
Approximate per serving (1 of 12): 280–320 calories; fat 12–15 g; saturated fat 2–4 g; carbohydrates 40–45 g; fiber 1 g; sugars 27–32 g; protein 4–5 g; sodium 180–230 mg. Values will vary based on specific ingredients, brands, and portion size.
