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Sourdough Discard Cinnamon Bread

A soft, tender loaf swirled with gooey cinnamon sugar, this sweet bread is the perfect way to use up a lot of discard. Whether you’re baking for a breakfast, Christmas morning, or just need a sweet treat with your cup of coffee, this recipe delivers warm, nostalgic flavor with simple pantry staples.
Print Recipe
loaf of sourdough discard cinnamon bread on a wire cooling rack
Prep Time:10 minutes
Cook Time:1 hour
Total Time:1 hour 10 minutes

Equipment

Ingredients

Cinnamon Swirl

  • 1 tbsp ground cinnamon
  • ½ cup (100g) brown sugar

Dry Ingredients

  • 2 cups (250g) all-purpose flour (spooned & leveled)
  • 1 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • 1 tsp ground cinnamon

Wet Ingredients

  • ½ cup (125g) sourdough discard (unfed, not too old)
  • 2 large eggs, at room temperature
  • 1 cup (200g) granulated sugar
  • cup (80ml) neutral oil (like vegetable or canola)
  • ¾ cup (180ml) milk, at room temperature
  • 1 tsp pure vanilla extract

Optional Glaze

  • ½ cup (60g) powdered sugar
  • 1-2 tsp milk
  • ¼ tsp vanilla extract

Instructions

  • Preheat your oven to 350°F (177°C). Lightly grease or line a 9x5-inch loaf pan with parchment paper or use a buttered loaf pan. Set aside.
  • In a small bowl, combine the brown sugar and cinnamon. Set aside.
  • In a large mixing bowl, whisk together the flour, baking powder, baking soda, salt, and ground cinnamon.
  • In another large bowl, whisk the eggs, granulated sugar, oil, milk, sourdough discard, and vanilla extract. Mix until fully combined. Pour the wet mixture into the dry ingredients. Stir gently using a wooden spoon or spatula until just combined. Be careful not to overmix. The batter should look slightly lumpy.
  • Pour ⅓ of the batter into your prepared loaf pan. Sprinkle ½ of the cinnamon sugar mixture evenly on top. Repeat with half of the leftover batter and the remainder cinnamon sugar. Finish with remaining batter. Swirl a few times with a knife to create a marbled effect. Don’t over-swirl!
  • Bake for 50–60 minutes, or until the top is golden brown and a toothpick inserted in the center comes out clean. Tent loosely with aluminum foil halfway through to prevent over-browning.
  • Let the bread cool in the pan on a wire rack for 1 hour before removing. If using, whisk together the optional glaze ingredients and drizzle over the top of the loaf once fully cooled.

Notes

For best results, consider measuring your ingredients using a kitchen scale.