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Sourdough Discard Cinnamon Bread

A cozy, buttery cinnamon loaf made from sourdough discard, perfect for breakfast or as a potluck treat.
Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Course Breakfast, Dessert, Snack
Cuisine American
Servings 8 servings
Calories 200 kcal

Ingredients
  

For the bread

  • 1 3/4 cups all-purpose flour Swap equal parts whole wheat for nuttiness; for gluten-free use a 1:1 blend + 1/4 tsp xanthan gum.
  • 1 cup brown sugar Light or dark.
  • 1/2 cup sourdough discard Unfed/discard at room temp or refrigerated.
  • 1 egg egg For egg-free, use a flax egg: 1 tbsp ground flax + 3 tbsp water.
  • 3/4 cup milk Dairy or plant milk.
  • 1/3 cup melted butter Or melted coconut oil for a dairy-free option.
  • 1 tbsp baking powder
  • 1/2 tsp salt
  • 1 tsp vanilla extract

For the cinnamon swirl

  • 1/3 cup brown sugar
  • 1 tbsp cinnamon

For the optional glaze

  • 1/2 cup powdered sugar Optional.
  • 1 tbsp milk
  • 1/8 tsp vanilla extract

Instructions
 

Preparation

  • Preheat the oven to 350°F (175°C). Grease a 9×5-inch loaf pan and line with parchment for easier removal.
  • In a small bowl, stir 1/3 cup brown sugar and 1 tbsp cinnamon until uniform. This is your swirl filling.
  • In a medium bowl, whisk together 1 3/4 cups all-purpose flour, 1 cup brown sugar, 1 tbsp baking powder, and 1/2 tsp salt.
  • In a separate bowl, whisk together 1 egg, 3/4 cup milk, 1/3 cup melted butter, 1 tsp vanilla extract, and 1/2 cup sourdough discard until smooth.
  • Pour the wet mixture into the dry ingredients. Fold gently until just combined — a few small lumps are fine.
  • Spoon half the batter into the prepared loaf pan and spread it evenly with a spatula.
  • Sprinkle about 3/4 of the cinnamon sugar mixture over the first layer.
  • Carefully add the remaining batter on top and smooth gently. Evenly sprinkle the remaining cinnamon sugar over the top.
  • Run a knife lengthwise through the batter a few times to create a loose swirl.
  • Bake for 45–50 minutes. Test with a toothpick; it should come out clean or with a few moist crumbs.
  • Cool the loaf in the pan for about 20 minutes, then transfer to a wire rack to cool further.

Optional Glaze

  • Whisk 1/2 cup powdered sugar, 1 tbsp milk, and 1/8 tsp vanilla extract until smooth. Drizzle over the slightly cooled loaf.

Notes

Brown sugar in both batter and swirl gives a deep molasses flavor. If you only have granulated sugar, use it in the batter and add a tablespoon of molasses to mimic brown sugar.
Keyword Cinnamon Bread, easy recipe, quick bread, sourdough, Zero-Waste Baking