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Cozy Glazed Zucchini Bars Recipe with Easy Brown Butter Vanilla Frosting

glazed zucchini bars - featured image

These cozy glazed zucchini bars combine moist zucchini with a warm brown butter vanilla frosting for a comforting and delicious treat that’s perfect for any occasion.

Ingredients

Scale
  • 1 ½ cups zucchini, grated and squeezed dry (about 1 medium zucchini)
  • 1 ½ cups all-purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • 1 teaspoon ground cinnamon
  • ½ teaspoon ground nutmeg
  • ¾ cup granulated sugar
  • ½ cup brown sugar, packed
  • ½ cup unsalted butter, melted and cooled
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract
  • ¼ cup plain Greek yogurt (or sour cream)
  • ½ cup unsalted butter (1 stick) for frosting
  • 1 ½ cups powdered sugar, sifted
  • 1 teaspoon vanilla extract for frosting
  • 23 tablespoons whole milk or cream (adjust for consistency)
  • A pinch of salt

Instructions

  1. Preheat your oven to 350°F (175°C). Grease or line your 9×9-inch baking pan with parchment paper.
  2. Grate about 1 ½ cups of zucchini using a box grater or food processor. Wrap the grated zucchini in a clean kitchen towel and squeeze out as much moisture as possible.
  3. In a medium bowl, whisk together the all-purpose flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
  4. In a large bowl, whisk the granulated sugar, brown sugar, melted butter, eggs, vanilla extract, and Greek yogurt until smooth and creamy.
  5. Gently add the flour mixture to the wet ingredients, stirring just until combined. Fold in the grated zucchini. Avoid overmixing.
  6. Transfer batter to the prepared pan and spread evenly with a spatula. Bake for 25–30 minutes, or until a toothpick inserted in the center comes out clean.
  7. While the bars bake, melt ½ cup unsalted butter in a light saucepan over medium heat. Stir frequently until it foams and turns golden brown with a nutty aroma (about 5–7 minutes). Remove from heat and let cool slightly.
  8. In a bowl, whisk together the browned butter, powdered sugar, vanilla extract, salt, and 2 tablespoons of milk. Add more milk if the frosting is too thick.
  9. Once baked, allow the zucchini bars to cool in the pan for at least 20 minutes, then transfer to a wire rack.
  10. Spread the brown butter vanilla frosting evenly over the top.
  11. Cut into squares and serve.

Notes

Squeeze the zucchini dry to prevent soggy bars. Watch the butter closely when browning to avoid burning. Let bars cool completely before frosting to prevent glaze from melting. Tent with foil if edges brown too quickly. Room temperature eggs help create a smoother batter.

Nutrition

Keywords: zucchini bars, brown butter frosting, vanilla frosting, cozy dessert, easy zucchini recipe, glazed zucchini bars, moist zucchini bars