For the Zucchini Bread

• 2 cups all-purpose flour – Provides structure and a tender crumb.
• 1 teaspoon baking powder – Helps the bread rise.
• ½ teaspoon baking soda – Creates a soft texture.
• 1 teaspoon ground cinnamon – Adds warm spice.
• ¼ teaspoon ground nutmeg (optional) – Enhances the flavor.
• ½ teaspoon salt – Balances the sweetness.
• 2 large eggs – Add richness and structure.
• ½ cup vegetable oil – Keeps the bread moist.
• ½ cup granulated sugar – Sweetens the loaf.
• ½ cup packed brown sugar – Adds caramel flavor and moisture.
• 1 teaspoon vanilla extract – Adds warmth and aroma.
• 2 cups finely shredded zucchini – Keeps the bread soft and tender.
• ½ cup chopped walnuts or pecans (optional) – Adds crunch.

For the Brown Sugar Streusel

• ½ cup all-purpose flour – Creates the crumb topping.
• ⅓ cup packed brown sugar – Adds rich sweetness.
• 1 teaspoon ground cinnamon – Classic warm spice.
• ¼ cup cold unsalted butter, cubed – Forms buttery streusel crumbs.

Optional Glaze

• ½ cup powdered sugar
• 1–2 teaspoons milk
• ½ teaspoon vanilla extract