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5.0 from 87 votes

The Best Zucchini Brownies

The Best Zucchini Brownies are here! Get ready for chocolate zucchini bliss that's soft and moist. Topped with a fudgey chocolate glaze.

Prep Time
25 mins
Cook Time
25 mins
Total Time
40 mins
Servings: 18 brownies
Calories: 255 kcal
Course: Dessert
Cuisine: American

Ingredients

  • 1/2 cup light tasting olive oil or canola oil
  • 1/2 cup dark chocolate chips
  • 2 tablespoons unsweetened cocoa powder
  • 1 cup granulated sugar
  • 1 egg
  • 1 egg yolk
  • 1 teaspoon vanilla
  • 1 cup zucchini grated and wrung out
  • 1/4 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup all purpose flour
For the Glaze:
  • 1/4 cup butter
  • 2 tablespoons unsweetened cocoa powder
  • 1/4 cup dark chocolate chips
  • 2 tablespoons milk
  • 1/2 teaspoon vanilla
  • 1 1/2 cups powdered sugar

Instructions

    Cup of Yum
  1. Preheat oven to 350 degrees. Line 9 1/2"x13" baking pan {1/4 sheet pan size} with parchment paper, lightly spray with nonstick cooking spray, and set aside.
  2. In a medium saucepan, melt the oil, chocolate chips, and cocoa together over medium-low heat. Remove from heat and stir in sugar, eggs, vanilla, and zucchini. Stir in dry ingredients, then pour into prepared pan. Spread out evenly and bake 15-20 minutes or until a toothpick comes out clean when inserted in the middle. {A few moist crumbs is fine.}
  3. While brownies are baking, melt butter, cocoa powder, chocolate chips, and milk together and simmer gently 1 minute. Remove from heat, then whisk in vanilla and powdered sugar.
  4. Once brownies are pulled from the oven, pour hot frosting over bars immediately. Spread to smooth, if needed. Cool 5-10 minutes before cutting into pieces and serving.

Notes

  • Freezing Instructions. Bake the brownies accordingly and top them with the glaze. After cooling completely, cover in plastic wrap a couple of times. Then top it all off with some aluminum foil. These zucchini brownies stay good for up to three months in the freezer!

Nutrition Information

Calories 255kcal (13%) Carbohydrates 31g (10%) Protein 4g (8%) Fat 13g (20%) Saturated Fat 5g (25%) Cholesterol 21mg (7%) Sodium 200mg (8%) Potassium 84mg (2%) Sugar 23g (46%) Vitamin A 140IU (3%) Calcium 91mg (9%) Iron 0.7mg (4%)

Nutrition Facts

Serving: 18brownies

Amount Per Serving

Calories 255

% Daily Value*

Calories 255kcal 13%
Carbohydrates 31g 10%
Protein 4g 8%
Fat 13g 20%
Saturated Fat 5g 25%
Cholesterol 21mg 7%
Sodium 200mg 8%
Potassium 84mg 2%
Sugar 23g 46%
Vitamin A 140IU 3%
Calcium 91mg 9%
Iron 0.7mg 4%

* Percent Daily Values are based on a 2,000 calorie diet.