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Snickerdoodle Banana Bread

Snickerdoodle banana bread with a crackled cinnamon sugar crust reminiscent of a snickerdoodle cookie. Golden top, moist banana crumb, and a cinnamon-dusted finish from a quick sprinkle before baking.
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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
  

Banana bread base
  • 3 bananas Ripe bananas, mashed.
  • 0.5 cup butter Softened.
  • 0.75 cup sugar
  • 2 eggs Large.
  • 1 tsp vanilla extract
  • 1.5 cup all-purpose flour
  • 1 tsp baking soda
  • 0.5 tsp cream of tartar
  • 0.5 tsp cinnamon For the batter.
  • 0.5 tsp salt
  • 0.33 cup sour cream
For the snickerdoodle crust
  • 2 tbsp sugar
  • 1.5 tsp cinnamon
  • 1 tbsp butter Melted.

Equipment

  • 1 sheet pan
  • 1 Dutch oven

Method
 

Prep and mix the crust
  1. Preheat the oven to 350°F and grease a 9x5 loaf pan, then dust the pan with a little cinnamon sugar so the top bakes up crackled.
  2. In a small bowl, mix the crust ingredients (2 tbsp sugar, 1.5 tsp cinnamon, and 1 tbsp melted butter) until it looks like golden cinnamon crumbs, then set aside.
Make the batter
  1. Beat the softened butter and sugar until fluffy, 2–3 minutes, so the batter turns lighter in color.
  2. Add the eggs one at a time, then mix in the vanilla and the mashed bananas until smooth and thick.
  3. In 2–3 additions, fold in the flour, baking soda, cream of tartar, cinnamon, and salt alternating with the sour cream, mixing just until no dry streaks remain.
Assemble and bake
  1. Pour the batter into the loaf pan and spread it into an even layer.
  2. Generously sprinkle the reserved cinnamon sugar crust mixture over the entire surface so it forms a textured golden top.
  3. Bake for 60–70 minutes at 350°F until the crust is crackled and golden and a toothpick inserted in the center comes out clean.

Notes

For the best crackled top, use ripe bananas and make sure the butter is fully softened before creaming. Store tightly wrapped in the fridge for up to 4 days; rewarm slices in a 300°F oven for 8–10 minutes to re-crisp the crust. Freeze baked slices for up to 3 months. For a dairy-light option, swap sour cream and butter for an equal amount of lactose-free dairy or a plant-based baking substitute that behaves similarly (not sweetened).