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A square chocolate zucchini cake with chocolate chips and a glossy glaze inside a baking pan.

Chocolate Zucchini Cake


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5 from 10 reviews

Description

This rich and structured chocolate zucchini cake uses precise moisture control and olive oil for a tender, long-lasting crumb. Finished with a silky honey-chocolate glaze, this reliable recipe ensures even distribution of chocolate chips for the perfect bite.


Ingredients

  • 1.5 cups grated zucchini, squeezed dry
  • 2 cups all-purpose flour, divided
  • 0.5 cup plus 1/3 cup semisweet chocolate chips, divided
  • 0.5 cup natural cocoa powder
  • 1 teaspoon baking soda
  • 0.5 teaspoon kosher salt
  • 0.25 teaspoon nutmeg
  • 0.5 cup extra-virgin olive oil
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 teaspoon honey


Instructions

  1. Prepare the oven. Preheat the oven to 350 degrees F and grease a 9-inch-square cake pan, dusting it with flour for a non-stick finish.
  2. Coat chocolate chips. Toss 1/2 cup of chocolate chips with 1 tablespoon of flour in a small bowl to prevent sinking and set aside.
  3. Combine dry ingredients. Whisk the remaining flour, cocoa powder, salt, baking soda, and nutmeg in a medium bowl until uniform.
  4. Emulsify wet base. Beat the sugar, olive oil, eggs, and vanilla in a large bowl for 3 minutes until pale and fully emulsified.
  5. Incorporate dry mix. Add the flour-cocoa mixture to the wet base and beat on low speed for 2 minutes until just combined.
  6. Fold in zucchini. Mix in the grated, squeezed zucchini for 2 minutes, then gently fold in the flour-coated chocolate chips by hand.
  7. Bake the cake. Transfer to the prepared pan and bake for 30 to 35 minutes until a toothpick inserted into the center emerges clean.
  8. Prepare the glaze. Combine the remaining chocolate chips, 1 teaspoon olive oil, and honey in a microwave-safe bowl, heating in 30-second intervals until fluid.
  9. Apply and set. Spread the glaze over the completely cooled cake and allow it to set for 15 minutes before slicing into squares.

Notes

  • Ensure the zucchini is thoroughly squeezed of excess liquid to prevent the cake center from collapsing.
  • Use a digital kitchen scale to measure flour precisely, as cup measurements can lead to structural inconsistencies.
  • Bake the batter immediately after mixing to prevent the salt from drawing out moisture and making the cake gummy.
  • Natural cocoa powder is required for the necessary chemical reaction with the baking soda to ensure proper rising.
  • Prep Time: 30 mins
  • Cook Time: 35 mins
  • Category: Dessert
  • Method: Baking
  • Cuisine: American