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Apple Zucchini Bread with Brown Sugar Frosting

This apple zucchini bread with brown sugar frosting combines the best of summer zucchini and fall apples into one moist, spiced quick bread. The warm spices of cinnamon and nutmeg and the rich, caramel-like frosting make this loaf irresistible for breakfast, brunch, or dessert.
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Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Servings: 4 servings
Course: Main Course
Cuisine: American
Calories: 485
Ingredients Equipment Method Notes

Ingredients
  

For the Bread:
  • 2 cups all-purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • 1½ teaspoons ground cinnamon
  • ¼ teaspoon ground nutmeg
  • 2 large eggs
  • ½ cup vegetable oil or neutral oil of choice
  • 1 cup granulated sugar
  • ½ cup light brown sugar packed
  • 1 teaspoon non-alcoholic vanilla extract
  • 1 cup grated zucchini excess moisture squeezed out
  • 1 cup peeled and grated apple about 1 medium apple
  • ½ cup chopped walnuts or pecans optional
For the Brown Sugar Frosting:
  • ¼ cup unsalted butter
  • ½ cup light brown sugar packed
  • 2 tablespoons milk
  • 1 cup powdered sugar sifted
  • ½ teaspoon non-alcoholic vanilla extract

Equipment

  • 9x5-inch loaf pan
  • Medium bowl
  • Large bowl
  • Small saucepan
  • Wire rack

Method
 

  1. Preheat your oven to 350°F (175°C). Prepare a 9×5-inch loaf pan by greasing and lightly flouring it or lining it with parchment paper.
  2. In a medium bowl, whisk together the flour, baking powder, baking soda, salt, ground cinnamon, and ground nutmeg.
  3. In a large bowl, beat the eggs and then add the vegetable oil, granulated sugar, light brown sugar, and vanilla extract. Mix until well combined.
  4. Fold in the grated zucchini and grated apple. Gently stir in the dry ingredients until just combined, taking care not to over-mix. If using, fold in the chopped walnuts or pecans as the final step.
  5. Pour the batter into your prepared loaf pan and bake for about 55-65 minutes, or until a toothpick inserted in the center comes out clean. Allow the bread to cool in the pan for about 10 minutes before transferring it to a wire rack.
  6. For the frosting, melt the unsalted butter in a small saucepan over medium heat. Add the light brown sugar and cook for about 2 minutes, stirring constantly.
  7. Stir in the milk and bring the mixture to a boil, then remove from heat. Let it cool slightly before whisking in the powdered sugar and vanilla extract until smooth.
  8. Spread the brown sugar frosting evenly over the cooled bread, allowing it to drip down the sides. Let the frosting set before serving.

Notes

This apple zucchini bread is a delightful fusion of summer and fall flavors, combining moist zucchini with tart apples and warm spices. The brown sugar frosting adds a rich, caramel-like sweetness that elevates the simple quick bread into a dessert sensation. For best results, squeeze out the excess moisture from the zucchini and opt for apples with a bit of tartness to balance the natural sugars. The recipe can be easily adapted with gluten-free flour or dairy-free alternatives. Enjoy it for breakfast, brunch, or even as a comforting snack any time of day.