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Zucchini Applesauce Bread with Brown Sugar Oat Streusel

Zucchini Applesauce Bread with Brown Sugar Oat Streusel is a moist quick-bread that’s chock full of grated zucchini, applesauce, and cinnamon. The streusel topping brings the perfect light crunch adding a delicious and rustic texture. 
4.84 from 6 votes
Prep Time 15 mins
Cook Time 50 mins
Total Time 1 hr 5 mins
Course Breakfast, Dessert, Snack
Cuisine American
Servings 8
Calories 320 kcal


Brown Sugar Oat Streusel

  • 1 cup flour
  • ½ cup oats rolled, regular or quick *but not instant*
  • ½ cup brown sugar
  • ½ cup walnuts chopped, optional (or pecans)
  • ½ teaspoon kosher salt
  • ½ cup softened butter

Zucchini Applesauce Batter

  • 1 ¾ flour all-purpose
  • ½ teaspoon salt
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1 ½ teaspoon cinnamon
  • ½ cup butter unsalted, softened
  • ½ cup granulated sugar
  • ½ cup brown sugar
  • 2 eggs large
  • 1 teaspoon vanilla
  • ½ cup applesauce
  • ¼ cup yogurt, plain or sour cream
  • 1 ½ cup grated zucchini


  • Heat oven 350F. Place a rack in the center of the oven.

Prep the pan - Makes one loaf

  • Line a bread loaf pan with parchment paper leaving enough so it trails over the sides. Spray with non-stick spray or lightly coat with butter.


  • In a large bowl combine all ingredients. Using a fork or a pastry cutter, work the butter in and thoroughly mix until the texture is crumbly, with some larger pieces and some smaller. If your mixture is a bit wet, add more flour. If it's a bit dry, add another tablespoon of butter.
    This mixture is a double batch and makes enough for 2+ loaves. I often freeze half of it to use for later.


  • Whisk dry ingredients in a small bowl and set aside.
  • In a mixing bowl, beat butter and sugars until light and some air is incorporated, add eggs one at a time, beating between each addition.
  • Add vanilla, then applesauce, and the yogurt (or sour cream). Mix until combined.
  • Mix in the dry mixture until just incorporated.
  • Fold in the shredded zucchini.
  • Pour into the prepared loaf pan.
    Sprinkle generously with the streusel topping.
  • Bake at 350f for about 40-50 minutes, checking at the 30 mark to see how brown the top is coming along. Cover loosely with foil to prevent over-browning. Test with a skewer or toothpick for doneness. When it comes out clean, it's done.
    Let cool in the loaf pan 30 minutes. Lift up by using the sides of the parchment and transfer to a cooling rack. Carefully holding with one hand, peel off the parchment and let cool on a cooling rack until ready to slice and serve.


Calories: 320kcalCarbohydrates: 32gProtein: 3gFat: 21gSaturated Fat: 9gCholesterol: 71mgSodium: 701mgPotassium: 186mgFiber: 1gSugar: 29gVitamin A: 756IUVitamin C: 8mgCalcium: 74mgIron: 1mg
Keyword apple, applesauce, baking, bread, cinnamon
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