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Cinnamon Crunch Banana Bread

Cinnamon crunch banana bread with a thick cinnamon brown sugar streusel that crackles on top and shatters slightly when sliced. Bake a tender, moist banana crumb beneath a deeply golden, crunchy crust for an easy bakery-style banana loaf.
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Prep Time 15 minutes
Cook Time 1 hour 5 minutes
Total Time 1 hour 20 minutes
Servings: 10 servings
Course: Breakfast, Snack
Cuisine: American
Calories: 320
Ingredients Equipment Method Notes

Ingredients
  

Bananas
  • 3 ripe bananas Mash until smooth for a moist crumb.
Batter
  • 0.5 cup butter Melted; use in the loaf batter.
  • 0.75 cup sugar For the loaf batter.
  • 2 large eggs Crack and whisk lightly before combining.
  • 1 tsp vanilla extract Use for flavor.
Dry ingredients
  • 1.5 cup all-purpose flour Spoon into the measuring cup and level.
  • 1 tsp baking soda Helps the loaf rise and set.
  • 0.5 tsp salt For balancing sweetness.
  • 0.5 tsp cinnamon For the banana loaf.
Cinnamon crunch topping
  • 0.33 cup brown sugar For the crunchy, crackled top.
  • 1.5 tsp cinnamon For the topping crust.
  • 2 tbsp butter Melted; helps the crumble bake into a crust.
  • 0.25 cup flour For the streusel texture.
  • 1 pinch salt A small pinch in the topping.

Equipment

  • 1 sheet pan

Method
 

Prep and topping
  1. Preheat the oven to 350°F and grease a 9x5 loaf pan. Set the pan aside so it’s ready for batter.
  2. Mix the brown sugar, cinnamon, melted butter, flour, and salt until crumbly, then set aside. The crumbs should look like coarse sand and hold together when pressed.
Make the banana bread
  1. Whisk the melted butter, sugar, eggs, and vanilla into the mashed bananas until smooth. Stop once the mixture is glossy and fully combined.
  2. Fold in the all-purpose flour, baking soda, salt, and cinnamon until just combined. Keep mixing light so the loaf stays tender.
  3. Pour the batter into the loaf pan and sprinkle the cinnamon crunch topping generously and evenly over the top. Make sure the entire surface is covered for a crackled crust.
Bake
  1. Bake at 350°F for 60–70 minutes, until the top is deeply golden and crunchy and a toothpick comes out clean from the center. Let the loaf rest briefly so the topping sets before slicing.

Notes

For the thick crackled top, sprinkle the streusel in an even layer—don’t dump it in one spot. Store wrapped at room temperature for up to 3 days or in the fridge for up to 5 days; rewarm slices at 300°F for 5–8 minutes to re-crisp the topping. Freeze whole or sliced for up to 2 months. For a lighter swap, you can use half the sugar in the loaf batter (keeping the topping as written for structure).