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Vegan Zucchini Brownies Without Added Sugar Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.8 from 30 reviews
  • Author: Kimberly
  • Prep Time: 15 minutes
  • Cook Time: 25-30 minutes
  • Total Time: 40-45 minutes
  • Yield: 9 brownies
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegan

Description

These Vegan Zucchini Brownies are a moist, rich, and healthier treat made without added refined sugars. Using grated zucchini adds natural moisture and a subtle sweetness, while maple syrup keeps it vegan-friendly. Whole wheat or oat flour provides a wholesome base, and dark chocolate chips add an indulgent touch. Perfect for a guilt-free dessert or snack.


Ingredients

Wet Ingredients

  • 1 cup grated zucchini (no need to squeeze moisture)
  • 1/4 cup melted coconut oil or avocado oil
  • 1/3 cup maple syrup (or honey for non-vegan version)
  • 1 tsp vanilla extract

Dry Ingredients

  • 1/2 cup whole wheat flour or oat flour
  • 1/3 cup unsweetened cocoa powder
  • 1/2 tsp baking soda
  • 1/4 tsp salt
  • 1/2 tsp cinnamon (optional)

Add-ins

  • 1/3 cup dark chocolate chips or chopped dark chocolate
  • 1/4 cup chopped nuts (optional)


Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C). Prepare an 8×8-inch baking pan by lining it with parchment paper or greasing it to prevent sticking.
  2. Prepare Zucchini: Grate the zucchini finely and set it aside. There is no need to squeeze out the excess moisture as it helps keep the brownies moist.
  3. Mix Wet Ingredients: In a large mixing bowl, combine the grated zucchini with melted coconut or avocado oil, maple syrup (or honey), and vanilla extract. Stir until smooth.
  4. Combine Dry Ingredients: In a separate bowl, whisk together the whole wheat or oat flour, unsweetened cocoa powder, baking soda, salt, and optional cinnamon to ensure even distribution.
  5. Mix Wet and Dry Ingredients: Gradually add the dry ingredients to the wet mixture, stirring gently until just combined. Avoid overmixing to keep the brownies tender.
  6. Add Chocolate and Nuts: Fold in the dark chocolate chips and chopped nuts if you are using them for texture and extra flavor.
  7. Transfer Batter: Spread the brownie batter evenly into the prepared baking pan, smoothing the top with a spatula.
  8. Bake: Bake in the preheated oven for 25–30 minutes. Check doneness by inserting a toothpick in the center— it should come out with moist crumbs but not wet batter.
  9. Cool and Serve: Allow the brownies to cool completely in the pan before cutting into 9 squares. This helps them set and makes slicing easier.

Notes

  • You can substitute honey with maple syrup to keep it vegan.
  • Using grated zucchini with moisture retained will make brownies extra fudgy.
  • Optional nuts add a nice crunch but can be omitted for nut-free versions.
  • Store brownies in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.
  • Use oat flour for gluten-free options if certified gluten-free oats are used.