
Zucchini Bread With Crumble Topping And Icing Drizzle tastes like a cross between a moist coffee cake and a cinnamon roll that met at brunch and became best friends. It works perfectly for busy families, brunch lovers, and anyone who wants a cozy, bakery-style treat on the table in about 1 hour and 15 minutes. I baked a test loaf at 10 p.m. one night and ate a warm slice over the sink, so you can trust that I take this recipe very seriously.
Why Choose This Zucchini Bread With Crumble Topping And Icing Drizzle
This zucchini bread bakes up super tender, with a soft, cinnamon-kissed crumb and little green flecks that stay subtle in flavor. The buttery crumble topping adds crunch and texture, and the icing drizzle brings that bakery-style finish without a trip to the coffee shop.
You mix everything in simple bowls, no mixer required, and the batter stays forgiving and easy to handle. The recipe uses basic pantry ingredients, works with fresh or slightly tired zucchini, and slices beautifully for breakfast, snacks, or dessert.
“This Zucchini Bread With Crumble Topping And Icing Drizzle tastes like something from a fancy bakery, but my kids watched cartoons while I baked it and still gave it ★★★★★”
Ingredients You’ll Need
For the zucchini bread
- 1 ½ cups finely grated zucchini, lightly packed
- Use small to medium zucchini for best flavor and texture.
- Do not peel; the skin adds color and a bit of nutrition.
- 2 large eggs, room temperature
- ½ cup neutral oil (canola, vegetable, or light olive oil)
- ½ cup granulated sugar
- ½ cup light brown sugar, packed
- 2 teaspoons vanilla extract
- 1 ½ cups all-purpose flour
- Use a standard unbleached all-purpose; King Arthur or Gold Medal both work great.
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ½ teaspoon fine sea salt
- 1 ½ teaspoons ground cinnamon
- ¼ teaspoon ground nutmeg (optional but tasty)
Optional mix-ins (choose one or mix and match):
- ½ cup chopped walnuts or pecans
- ½ cup mini chocolate chips
- ½ cup raisins or dried cranberries
For the crumble topping
- ½ cup all-purpose flour
- ⅓ cup light brown sugar, packed
- ¼ cup cold unsalted butter, cut into small cubes
- Use salted butter if that is what you have and reduce the salt in the bread by a pinch.
- ½ teaspoon ground cinnamon
- Pinch of salt
For the icing drizzle
- ½ cup powdered sugar, sifted
- 1–2 tablespoons milk (dairy or unsweetened almond milk)
- ½ teaspoon vanilla extract
Equipment
- 1 standard 9 x 5 inch loaf pan
- Parchment paper or nonstick spray
- 2 medium mixing bowls
- 1 small bowl for icing
- Whisk and rubber spatula
- Box grater or food processor with grating disc
- Cooling rack
- Toothpick or thin knife for doneness check
Tips & Tricks
- Squeeze the grated zucchini gently in a clean kitchen towel if it looks very wet, but keep some moisture so the bread stays tender.
- Pack the brown sugar firmly in the cup so the sweetness and moisture stay consistent.
- Measure flour by spooning it into the cup and leveling it with a knife to avoid dense, dry bread.
- Use room temperature eggs so they mix smoothly into the batter and help the bread rise evenly.
- Chill the crumble topping in the fridge while you mix the batter so it stays chunky and crisp.
- Line the loaf pan with a parchment sling so you lift the bread out easily without breaking the crumble.
- Check doneness at 45 minutes and then every 5 minutes so the bread stays moist and does not overbake.
- Let the bread cool at least 20–30 minutes before you add the icing drizzle so it sets instead of sliding off.
How to Make Zucchini Bread With Crumble Topping And Icing Drizzle
Prep the pan and oven
- Preheat your oven to 350°F (175°C).
- Grease a 9 x 5 inch loaf pan with nonstick spray or a thin layer of butter.
- Line the pan with a strip of parchment that hangs over the long sides so you lift the zucchini bread out easily later.
Grate and prep the zucchini
- Wash and dry the zucchini, then trim the ends.
- Grate the zucchini on the small or medium holes of a box grater.
- Scoop the grated zucchini into a bowl and check the moisture level; if it drips a lot, squeeze it gently over the sink or in a clean towel, but stop before it turns dry.
Mix the crumble topping
- In a small bowl, add flour, brown sugar, cinnamon, and a pinch of salt.
- Toss the cold butter cubes into the dry mixture.
- Use your fingers or a pastry cutter and rub the butter into the flour mixture until it forms pea-size clumps.
- Place the bowl in the fridge while you mix the batter so the crumble firms up.
Mix the wet ingredients
- In a medium mixing bowl, whisk together eggs, granulated sugar, brown sugar, and vanilla until the mixture looks smooth and slightly lighter in color.
- Slowly stream in the oil while you whisk so it blends evenly and the mixture turns glossy.
- Stir in the grated zucchini until it spreads evenly through the wet mixture.
Mix the dry ingredients
- In another bowl, whisk together flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
- Break up any small clumps of baking soda or spices so they distribute evenly.
Combine batter and add mix-ins
- Pour the dry ingredients into the wet mixture.
- Stir gently with a spatula until no dry streaks of flour remain; scrape the bottom and sides of the bowl.
- Fold in nuts, chocolate chips, or dried fruit if you use them, and stop mixing as soon as they look evenly spread.
Fill the pan and add crumble
- Pour the batter into the prepared loaf pan and smooth the top with a spatula.
- Take the chilled crumble from the fridge and break it into small clumps with your fingers.
- Sprinkle the crumble evenly over the batter, covering the surface from corner to corner.
Bake the zucchini bread
- Place the pan on the middle rack of the oven.
- Bake for 45–55 minutes, depending on your oven and pan.
- Start checking at 45 minutes by inserting a toothpick in the center; pull the bread out when the toothpick comes out with a few moist crumbs but no wet batter.
- If the crumble browns too quickly, tent a piece of foil loosely over the top for the last 10 minutes.
Cool the bread
- Set the pan on a cooling rack and let the zucchini bread rest for 15–20 minutes.
- Use the parchment sling to lift the bread out of the pan and place it directly on the rack.
- Let it cool another 20 minutes before you add the icing so the drizzle sets nicely on top.
Mix and add the icing drizzle
- In a small bowl, whisk together powdered sugar, 1 tablespoon milk, and vanilla until smooth.
- Check the consistency; if it feels too thick, add milk a teaspoon at a time until it flows in a thick ribbon.
- Use a spoon to drizzle the icing over the cooled crumble topping in zigzags or lines.
- Let the icing set for about 10 minutes, then slice and serve.
What to Serve with Zucchini Bread With Crumble Topping And Icing Drizzle
Serve slices slightly warm with a pat of butter or a swipe of cream cheese for a cozy breakfast. Pair the zucchini bread with hot coffee, a latte, or a big mug of tea for a relaxed weekend morning. Kids usually love it with cold milk or hot chocolate, and it packs nicely into lunchboxes. You can also serve it as a simple dessert with fresh berries or a scoop of vanilla yogurt.
Storage Options
- Keep leftover zucchini bread at room temperature in an airtight container for up to 2 days.
- Store slices in the fridge for 4–5 days; let them come to room temperature or warm them briefly in the microwave for 10–15 seconds.
- Freeze individual slices or the whole loaf (well wrapped in plastic, then foil or a freezer bag) for up to 3 months.
- Thaw overnight in the fridge or at room temperature for a couple of hours, then refresh slices in a low oven at 300°F for 8–10 minutes to bring back that just-baked texture.

Zucchini Bread With Crumble Topping And Icing Drizzle
Ingredients
Instructions
- Preheat the oven to 350°F (175°C). Grease a 9 x 5 inch loaf pan with nonstick spray or butter and line it with a parchment strip that overhangs the long sides for easy removal.
- Wash and dry the zucchini, trim the ends, and grate on the small or medium holes of a box grater.
- Place the grated zucchini in a bowl and check the moisture; if it seems very wet, gently squeeze over the sink or in a clean towel until no longer dripping but still moist.
- In a small bowl, combine the flour, brown sugar, cinnamon, and a pinch of salt.
- Add the cold butter cubes and rub them into the dry ingredients with your fingers or a pastry cutter until pea-size clumps form.
- Refrigerate the crumble while you prepare the batter so it stays firm and chunky.
- In a medium mixing bowl, whisk together the eggs, granulated sugar, brown sugar, and vanilla until smooth and slightly lighter in color.
- Slowly whisk in the oil in a thin stream until the mixture looks glossy and well combined.
- Stir in the grated zucchini until evenly distributed.
- In another bowl, whisk together the flour, baking powder, baking soda, salt, cinnamon, and nutmeg, breaking up any clumps.
- Add the dry ingredients to the wet mixture and gently stir with a spatula just until no dry streaks of flour remain, scraping the bottom and sides of the bowl.
- Fold in nuts, chocolate chips, or dried fruit if using, stopping as soon as they look evenly distributed.
- Pour the batter into the prepared loaf pan and smooth the top with a spatula.
- Break up the chilled crumble into small clumps and sprinkle evenly over the surface of the batter.
- Bake on the middle rack for 45–55 minutes, checking at 45 minutes. The bread is done when a toothpick inserted in the center comes out with a few moist crumbs but no wet batter. Tent with foil if the crumble browns too quickly.
- Place the pan on a cooling rack and let the bread rest for 15–20 minutes.
- Use the parchment sling to lift the loaf out of the pan and set it directly on the rack. Cool for another 20 minutes before icing so the drizzle sets instead of running off.
- In a small bowl, whisk together the powdered sugar, 1 tablespoon of milk, and vanilla until smooth.
- Adjust the consistency with additional milk, a teaspoon at a time, until the icing flows in a thick ribbon.
- Drizzle the icing over the cooled crumble topping in thin lines or zigzags and let it set for about 10 minutes before slicing and serving.
Notes
Approximate per slice (10 slices): 280–320 calories; fat 14–16 g; saturated fat 3–4 g; carbohydrates 38–42 g; fiber 1–2 g; sugars 24–27 g; protein 3–5 g; sodium 200–260 mg. Values will vary based on mix-ins, ingredient brands, and exact portion size.

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