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Healthy High-Protein Zucchini Bread Recipe with Vanilla and Oat Flour

healthy high-protein zucchini bread - featured image

A wholesome zucchini bread recipe that combines oat flour and vanilla protein powder for a moist, hearty, and protein-packed snack or breakfast option.

Ingredients

Scale
  • 2 cups grated zucchini (about 2 medium zucchinis, squeezed to remove excess moisture)
  • 1 ½ cups oat flour
  • ½ cup vanilla-flavored protein powder (whey or plant-based)
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 1 teaspoon ground cinnamon
  • ½ teaspoon ground nutmeg (optional)
  • 2 large eggs, room temperature
  • ½ cup Greek yogurt (plain)
  • ⅓ cup maple syrup or honey
  • ¼ cup coconut oil or unsalted butter, melted
  • 1 teaspoon pure vanilla extract
  • Optional: ½ cup chopped walnuts or pecans
  • Optional: ¼ cup dark chocolate chips

Instructions

  1. Grate 2 medium zucchinis using a box grater or food processor. Place the shredded zucchini in a clean kitchen towel or cheesecloth and squeeze out as much moisture as possible. (About 10 minutes)
  2. In a large bowl, whisk together oat flour, vanilla protein powder, baking soda, baking powder, salt, cinnamon, and nutmeg until evenly combined. (5 minutes)
  3. In a separate bowl, beat the eggs lightly. Add Greek yogurt, maple syrup, melted coconut oil, and vanilla extract. Whisk until smooth and well combined. (5 minutes)
  4. Pour wet ingredients into the dry ingredients bowl. Stir gently using a spatula until just combined; do not overmix. (3 minutes)
  5. Fold in the grated zucchini and optional mix-ins like chopped nuts or chocolate chips. (2 minutes)
  6. Grease a 9×5 inch loaf pan with coconut oil or line with parchment paper.
  7. Pour the batter into the loaf pan and smooth the top.
  8. Bake at 350°F (175°C) for 50-60 minutes. Check doneness by inserting a toothpick into the center; it should come out clean or with a few moist crumbs.
  9. Let the bread cool in the pan for 10 minutes, then transfer to a wire rack to cool completely. (15-20 minutes)

Notes

Squeeze out as much moisture as possible from the zucchini to avoid soggy bread. Use room temperature eggs for better rising. Mix gently to prevent dense bread. Tent with foil if top browns too quickly. A splash of almond milk can loosen thick batter. Protein powder can be omitted but adjust oat flour and vanilla extract accordingly.

Nutrition

Keywords: zucchini bread, healthy zucchini bread, high-protein bread, oat flour, vanilla protein powder, gluten-free option, healthy snack, homemade zucchini bread