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Moist Chocolate Chunk Zucchini Bread Recipe with Easy Brown Butter Frosting

moist chocolate chunk zucchini bread - featured image

A moist and chocolatey zucchini bread with melty chocolate chunks and a nutty brown butter frosting that balances deep cocoa notes and fresh zucchini perfectly.

Ingredients

Scale
  • 2 cups all-purpose flour (240 g)
  • 1 cup granulated sugar (200 g)
  • ½ cup brown sugar, packed (110 g)
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 1 teaspoon cinnamon
  • ¼ teaspoon ground nutmeg
  • ⅓ cup vegetable oil (80 ml)
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract
  • 2 medium zucchinis, peeled and grated (about 2 cups, 220 g)
  • 1 cup chocolate chunks (170 g), bittersweet or semi-sweet
  • 6 tablespoons unsalted butter (85 g) for frosting
  • 4 ounces cream cheese, softened (115 g)
  • 1 ½ cups powdered sugar, sifted (180 g)
  • ½ teaspoon vanilla extract for frosting
  • Pinch of salt for frosting

Instructions

  1. Preheat oven to 350°F (175°C). Grease and flour a 9×5-inch loaf pan or line with parchment paper.
  2. Grate the zucchini using a box grater or food processor. Gently squeeze out excess moisture but keep some moisture for tenderness. Set aside.
  3. In a large bowl, whisk together dry ingredients: flour, granulated sugar, brown sugar, baking soda, baking powder, salt, cinnamon, and nutmeg.
  4. In a separate bowl, whisk wet ingredients: vegetable oil, eggs, and vanilla extract until smooth.
  5. Pour wet ingredients into dry ingredients and stir gently until just combined; do not overmix.
  6. Fold in grated zucchini and chocolate chunks carefully with a rubber spatula.
  7. Pour batter into prepared loaf pan and smooth the top. Bake for 50-60 minutes, checking at 50 minutes with a toothpick; it should come out with a few moist crumbs but no wet batter.
  8. While baking, brown the butter in a saucepan over medium heat until golden and nutty, then remove from heat and let cool slightly.
  9. Beat softened cream cheese until smooth. Gradually add powdered sugar, then brown butter, vanilla extract, and salt. Beat until creamy and spreadable. Chill if too loose.
  10. Cool bread completely on a wire rack before spreading the brown butter frosting evenly on top.

Notes

Use medium heat and a light-colored pan to brown butter carefully to avoid burning. Do not overmix batter to keep bread tender. Let bread rest overnight for best flavor and texture. Refrigerate leftover bread to keep frosting firm. Use a serrated knife for easier slicing.

Nutrition

Keywords: zucchini bread, chocolate chunk, brown butter frosting, moist bread, easy dessert, quick bread, chocolate zucchini bread