Sourdough Discard Lemon Blueberry Quick Bread

You know that jar of sourdough starter sitting in your fridge? The one you keep adding to but never quite know what to do with all that discard? Last spring, when Amy asked if we could make something with lemons from our neighbor's tree, I realized I could finally use up that starter guilt-free.

This sourdough discard lemon blueberry bread is soft, sweet, and absolutely packed with juicy blueberries and bright lemon flavor. What I really love about it is that you can make it two ways – the quick version takes just 15 minutes of prep before it goes straight in the oven, or you can do the long fermentation method overnight for deeper flavor. If you're looking for more breakfast ideas, check out my homemade banana bread recipe too.

The best part? It uses a full cup of discard, so you won't feel guilty about all that starter you've been accumulating.

Jump to:

• Why You'll Love This Sourdough Discard Bread
• Ingredients For Sourdough Lemon Blueberry Bread
• How To Make Sourdough Discard Lemon Blueberry Bread
• Storage And Reheating Tips
• Variations On Lemon Blueberry Sourdough Bread
• Frequently Asked Questions About Sourdough Discard Lemon Blueberry Bread
• Recipes You May Like
• Why This Sourdough Bread Works So Well
• Sourdough Discard Lemon Blueberry Quick Bread

Why You'll Love This Sourdough Discard Bread

Here's what makes this lemon blueberry sourdough bread so good:

• Uses up sourdough discard – Finally, a delicious way to use that cup of starter you'd otherwise toss
• Two method options – Quick bread version in under 90 minutes, or overnight fermentation for deeper flavor
• Bright and cheerful – Fresh lemon zest and juice give it that perfect spring and summer vibe
• Bursting with berries – Whole blueberries in every slice (frozen or fresh both work great)
• Not too sweet – Balanced sweetness that works for breakfast or dessert
• Beginner-friendly – No kneading, no fancy techniques, just mix and bake

Ingredients For Sourdough Lemon Blueberry Bread

Dry Ingredients:

• 2 cups (240g) all-purpose flour – The base of our quick bread
• 1 teaspoon baking powder – Helps the bread rise
• 1 teaspoon baking soda – Works with the acid in the sourdough for extra lift
• ½ teaspoon salt – Balances the sweetness
• 1 tablespoon lemon zest – Where most of the lemon flavor comes from

Wet Ingredients

• 1 cup (227g) sourdough starter discard or active starter – Either works perfectly
• ¾ cup (150g) brown sugar – Adds moisture and a subtle molasses note
• ½ cup melted butter or coconut oil – Butter gives richness, coconut oil keeps it dairy-free
• 2 large eggs – Room temperature is best
• 2 tablespoons fresh lemon juice – Fresh is always better
• ¼ cup milk – Any kind works

Add-Ins

• 1 cup blueberries – Fresh or frozen both work

Lemon Glaze

• ¼ cup powdered sugar – For that sweet finishing touch
• 1 tablespoon lemon juice – Makes it pourable and tangy

How To Make Sourdough Discard Lemon Blueberry Bread

Quick Bread Version

1. Preheat your oven to 350°F (175°C) and grease a 9×5 loaf pan with butter or line it with parchment paper.
2. Whisk together the flour, baking powder, baking soda, salt, and lemon zest in a large bowl.
3. In another bowl, combine the sourdough starter, sugar, melted butter, eggs, milk, and lemon juice and mix well.
4. Add the wet ingredients to the dry ingredients and stir until just combined. Don't overmix – a few lumps are fine.
5. Gently fold in the blueberries using a rubber spatula.
6. Pour the batter into your prepared loaf pan and smooth the top.
7. Bake for 55-65 minutes or until a toothpick comes out clean. Cover with foil if the top browns too quickly.
8. Cool in the pan for 10 minutes before transferring to a wire rack.
9. Mix the powdered sugar and lemon juice for the glaze.
10. Pour the glaze over the cooled loaf and let it set for 10 minutes before slicing.

Long Fermented Version

The long fermentation method gives you deeper, tangier flavor and better digestibility.

1. Start the batter 16-18 hours before baking. I usually do this Friday evening for Saturday morning.
2. Whisk together the dry ingredients (flour, baking powder, baking soda, salt, and lemon zest).
3. Mix the wet ingredients (sourdough starter, sugar, butter, eggs, milk, and lemon juice).
4. Combine wet and dry ingredients until just mixed, then fold in the blueberries.
5. Cover with a damp towel or plastic wrap and let sit at room temperature for 4-6 hours.
6. Transfer to the fridge and ferment overnight for 12 hours.
7. The next morning, preheat your oven to 350°F and prep your pan.
8. Stir the batter a few times with a wooden spoon (it might have separated slightly).
9. Pour into the pan and bake for 55-65 minutes, covering with foil if needed.
10. Cool, glaze, and slice following the quick version steps.

Storage And Reheating Tips

This sourdough discard lemon blueberry bread stays moist for several days.

Room temperature: Wrap the cooled loaf tightly in plastic wrap or store it in an airtight container for 2-3 days. It usually doesn't last that long in our house because Bradley sneaks slices after school.

Refrigerator: Keep it in the fridge wrapped in plastic wrap for up to one week. The cold actually helps the lemon flavor develop even more.

Freezer: Slice the bread first, then wrap individual slices in plastic wrap before putting them all in a freezer bag. They'll keep for up to 3 months. Just pop a frozen slice in the toaster oven for a quick breakfast.

Reheating tip: Wrap a slice in a damp paper towel and microwave it for 10-15 seconds to bring back that fresh-from-the-oven warmth.

Variations On Lemon Blueberry Sourdough Bread

Want to mix things up? Here are some ideas I've tested:

Try different berries – Swap the blueberries for raspberries, blackberries, or a mix. Amy loves the raspberry version.

Add poppy seeds – Mix in 2 tablespoons of poppy seeds for that classic lemon poppy seed flavor.

Make it chocolate chip – Skip the blueberries and lemon glaze, and fold in ¾ cup of chocolate chips instead.

Use different citrus – Replace the lemon with lime or orange for a different flavor profile.

Add nuts – Fold in ½ cup of chopped pecans or walnuts for extra crunch.

Make muffins instead – Divide the batter into a 12-cup muffin tin and bake at 375°F for 18-22 minutes.

Frequently Asked Questions About Sourdough Discard Lemon Blueberry Bread

Recipes You May Like

If you loved this lemon blueberry sourdough bread, here are some other breakfast treats you should try:

• Moist Banana Chocolate Chip Muffins – Another great way to use up ripe fruit with minimal effort
• Carrot Cake Muffins – Loaded with vegetables but taste like dessert for breakfast
• Homemade Banana Bread – A classic quick bread that never gets old

Why This Sourdough Bread Works So Well

This recipe solves the eternal problem of what to do with sourdough discard. The combination of lemon and blueberry is classic – the bright citrus cuts through the richness while the berries add little bursts of sweetness in every bite. The sourdough adds this subtle tang that makes it so much more interesting than your average quick bread.

Bradley wasn't convinced at first, but after one bite with the lemon glaze, he was hooked. Now he specifically requests it when he has friends coming over because it "looks fancy but tastes good."

What really sold me on this recipe was how forgiving it is. You can mix it up quickly when you need something fast, or you can plan ahead and let it ferment overnight. Both versions work beautifully.

Give this sourdough discard lemon blueberry bread a try this week. It's the perfect way to put that jar of discard to good use while treating your family to something really special. Your kitchen will smell amazing while it bakes, and I promise you won't have any leftovers by the end of the day.

Happy baking, and here's to many more delicious mornings with this beautiful bread!

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