Olive Oil and Greek Yogurt Zucchini Bread

Olive Oil and Greek Yogurt Zucchini Bread

A plush, aromatic quick bread laced with fragrant lemon zest, warm cinnamon, and nutmeg. Rich olive oil and tangy Greek yogurt create an extraordinarily tender crumb crowned with a golden, walnut-studded crust.

1h 30mEasy10 slices
Remix

Equipment

Loaf pan (21 x 11 cm)
Parchment paper
Box grater
Clean kitchen towel
Large mixing bowl
Medium mixing bowl
Whisk
Silicone spatula
Microplane zester
Wire cooling rack
Instant-read digital thermometer
Toothpick*

* optional

Ingredients

10 servings

Dry Ingredients

  • 250 g all-purpose flour
  • 4 g ground cinnamon
  • 1 g ground nutmeg
  • 4 g baking powder
  • 3 g baking soda
  • 3 g fine sea salt

Wet Ingredients and Sugars

  • 180 g light brown sugar, packed
  • 120 g plain whole milk greek yogurt, room temperature
  • 100 ml extra virgin olive oil
  • 2 large eggs, room temperature
  • 5 g lemon zest
  • 5 ml pure vanilla extract

Fold-Ins

  • 250 g zucchini, shredded and lightly pressed
  • 75 g walnuts, coarsely chopped

Nutrition (per serving)

Nutrition is estimated per serving. Nutrients without complete source data are omitted.

324
Calories
7g
Protein
40g
Carbohydrates
16g
Fat
2g
Fiber
266mg
Sodium
Full nutrition
Calories
324 kcal
Protein
7 g
Carbohydrates
40 g
Fat
16 g
Fiber
2 g
Sodium
266 mg
Saturated Fat
2 g
Potassium
233 mg
Calcium
77 mg
Iron
2.0 mg
Magnesium
30 mg
Phosphorus
122 mg
Zinc
0.8 mg
Vitamin A
23 mcg
Vitamin C
9 mg
Water
45 g

Sources: Aggregated Public Data, USDA FoodData Central

Method

01

Position an oven rack in the center of the oven and preheat to 175°C (350°F). Lightly grease a 21 x 11 cm loaf pan and line it with parchment paper, leaving a 3 cm overhang along the long sides to serve as handles.

02

Trim the ends of the zucchini and shred it on the coarse side of a box grater. Transfer the shredded zucchini onto a clean kitchen towel and gently squeeze once or twice over the sink to remove excess surface liquid, leaving the zucchini moist but not dripping wet.

Feel: Squash flakes should feel damp and pliable rather than saturated with standing juice.
03

Zest the lemon using a microplane zester directly into a large mixing bowl, avoiding the bitter white pith.

04

Add the light brown sugar to the large mixing bowl containing the lemon zest. Rub the zest into the sugar using clean fingertips for 30 seconds until the mixture becomes fragrant and resembles damp sand.

0mLook for: Uniform golden brown hue with evenly dispersed yellow flecks.Feel: Moist, sandy texture that clings together slightly when pressed.
05

In a medium mixing bowl, whisk together the all-purpose flour, ground cinnamon, ground nutmeg, baking powder, baking soda, and fine sea salt until thoroughly blended and free of lumps.

0m
06

Add the extra virgin olive oil, plain whole milk Greek yogurt, large eggs, and pure vanilla extract to the bowl with the lemon-sugar mixture. Whisk vigorously until the mixture is glossy, smooth, and emulsified.

1mLook for: A creamy, homogenous emulsified batter base with no unincorporated oil pools.
07

Pour the whisked dry ingredients into the wet mixture. Using a silicone spatula, fold the ingredients together just until large streaks of flour disappear, leaving a few dry pockets.

Look for: Batter is thick and mostly combined with faint traces of flour remaining.
08

Add the grated zucchini and 50g of the chopped walnuts (if using) to the batter. Gently fold with the silicone spatula until the zucchini is evenly suspended throughout the batter.

Look for: Batter is uniformly textured with no visible dry flour patches remaining.
09

Scrape the batter into the prepared loaf pan and smooth the surface evenly with the silicone spatula. Scatter the remaining 25g of chopped walnuts across the top surface, pressing them very lightly into the batter.

10

Transfer the pan to the center rack of the preheated oven at 175°C (350°F) and bake for 55 to 65 minutes. The loaf is done when a toothpick inserted into the center emerges clean or with a few moist crumbs, and an instant-read digital thermometer inserted into the thickest center section registers between 93°C and 96°C (200°F and 205°F), thoroughly exceeding the safe minimum threshold of 71°C (160°F) for egg cookery.

55mLook for: Deep golden brown domed crust with an attractive central fracture.Feel: Springy to a gentle finger touch at the center.
11

Set the loaf pan on a wire cooling rack and allow the bread to rest inside the pan undisturbed for 10 minutes to allow the delicate crumb structure to set.

10m
12

Grasp the parchment paper overhangs, gently lift the zucchini bread out of the loaf pan, and place it directly onto the wire cooling rack to cool completely to room temperature before slicing.

1hFeel: Completely cool to the touch on all sides.

Chef's Notes

  • Rubbing the fresh lemon zest directly into the brown sugar with your fingers before adding liquids ruptures the citrus oil glands, dispersing flavor far more effectively than merely stirring zest into the batter.
  • Greek yogurt contributes vital acidity that interacts with the baking soda to produce an immediate initial leavening boost while also inhibiting gluten development for an exceptionally tender crumb.
  • Choose small to medium zucchini whenever possible; oversized garden squash contain excessive watery seed pulp and fibrous skin that dilute spice flavor.
  • A fruity, medium-intensity extra virgin olive oil provides subtle grassy undertones that pair impeccably with warm cinnamon, nutmeg, and citrus without tasting oily.

Storage

Refrigerator: 1 weekStore in an airtight container lined with a dry paper towel to absorb surface moisture and preserve crust integrity.

Freezer: 3 monthsSlice completely before freezing. Wrap individual portions in parchment paper and seal inside a freezer-grade bag.

Reheating: Warm individual slices in a toaster oven or oven at 150°C (300°F) for 6 to 8 minutes, or microwave on high for 15 to 20 seconds, until thoroughly heated to an internal temperature of at least 74°C (165°F).

Troubleshooting

Bread has a dense, wet, or gummy band near the center bottom

Cause: The zucchini retained excessive water before folding, or the batter was overmixed after flour addition

Fix: Cannot be fixed for the baked loaf, but slicing and toasting individual portions in an oven restores an enjoyable crisp-tender texture

Prevention: Perform a gentle squeeze with a clean towel to remove pooling water from grated squash, and fold dry ingredients strictly until just incorporated

Loaf rises dramatically in the oven but collapses severely in the center while cooling

Cause: Underbaking, or excess leavening agents creating gas pockets that the protein structure cannot support

Fix: If still hot, return immediately to a 175°C (350°F) oven for 10 to 12 minutes; if cooled, cut away the dense sunken center and serve perimeter slices

Prevention: Verify oven temperature with an independent oven thermometer and confirm an internal temperature of at least 93°C (200°F) before removing the loaf

Crust is scorched dark brown while the interior remains underbaked

Cause: Oven rack positioned too high or oven running significantly hotter than calibrated temperature

Fix: Tent with foil immediately, drop oven heat by 15°C (25°F), and continue baking until the core reaches 93°C (200°F)

Prevention: Always bake on the center rack and tent the loaf loosely with aluminum foil at the 40-minute mark if the top is already deep amber

Cultural Context

Zucchini bread emerged as a staple of American home baking during the 1960s and 1970s, spurred by backyard gardening booms that yielded massive late-summer squash surpluses. Creative home cooks adapted traditional oil-based quick bread formulas to utilize the moisture-dense vegetable in sweet formats. This modern iteration enriches the classic mid-century loaf with Mediterranean elements, using extra virgin olive oil and Greek yogurt in place of neutral vegetable oils.

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