Sourdough Lemon Loaf Recipe

Bright, moist, buttery, and bursting with fresh citrus flavor, this Sourdough Lemon Loaf is the perfect balance of sweet and tangy. Made with sourdough discard and fresh lemons, this homemade loaf cake has a soft tender crumb, rich lemon aroma, and a deliciously moist texture that stays fresh for days.

The sourdough discard adds subtle depth and richness without making the loaf taste sour. Combined with lemon juice, lemon zest, and a sweet lemon glaze, this loaf becomes a bakery-style treat perfect for breakfast, brunch, afternoon tea, dessert, or gifting.

If you love lemon desserts and sourdough baking, this easy sourdough lemon loaf recipe is guaranteed to become a favorite.

Why You’ll Love This Sourdough Lemon Loaf

This homemade lemon loaf is:

• Soft and incredibly moist
• Packed with fresh lemon flavor
• Perfect for using sourdough discard
• Easy to make
• Great for breakfast or dessert
• Beautifully glazed
• Stays fresh for days
• Beginner-friendly

The sweet lemon glaze soaks slightly into the loaf, creating irresistible citrus flavor in every bite.

What Is Sourdough Lemon Loaf?

Sourdough lemon loaf is a sweet quick bread or loaf cake made with sourdough discard, fresh lemon juice, and lemon zest. Unlike traditional sourdough bread, this loaf uses baking powder and baking soda for rise rather than long fermentation.

The sourdough discard contributes:

• Extra moisture
• Slight flavor complexity
• Tender texture
• Reduced food waste

The result is a soft, rich lemon loaf with incredible flavor and texture.

Ingredients for Sourdough Lemon Loaf

For the Lemon Loaf

• 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup granulated sugar
• 1/2 cup unsalted butter, melted
• 2 large eggs
• 1/2 cup sourdough discard
• 1/2 cup plain yogurt or sour cream
• 1/4 cup fresh lemon juice
• 1 tablespoon lemon zest
• 1 teaspoon vanilla extract

For the Lemon Glaze

• 1 cup powdered sugar
• 2–3 tablespoons fresh lemon juice

Kitchen Equipment Needed

• Mixing bowls
• Loaf pan
• Whisk
• Measuring cups and spoons
• Rubber spatula
• Cooling rack

Preparation Time and Baking Time

Time Needed	Duration
Prep Time	15 minutes
Bake Time	50–60 minutes
Cooling Time	20 minutes
Total Time	About 1 hour 30 minutes

How to Make Sourdough Lemon Loaf

Step 1: Preheat the Oven

Preheat your oven to:

$350^\circ F \approx 175^\circ C$350∘F≈175∘C

Grease and line a loaf pan with parchment paper.

Step 2: Mix the Dry Ingredients

In a medium bowl, whisk together:

• Flour
• Baking powder
• Baking soda
• Salt

Set aside.

Step 3: Mix the Wet Ingredients

In a large bowl, whisk together:

• Sugar
• Melted butter
• Eggs

Then add:

• Sourdough discard
• Yogurt or sour cream
• Lemon juice
• Lemon zest
• Vanilla extract

Mix until smooth and creamy.

Step 4: Combine Wet and Dry Ingredients

Gradually add the dry ingredients into the wet mixture.

Stir gently until just combined.

Do not overmix.

Step 5: Pour into the Pan

Transfer the batter into the prepared loaf pan.

Smooth the top evenly.

Step 6: Bake the Lemon Loaf

Bake for:

• 50–60 minutes

The loaf is done when a toothpick inserted into the center comes out clean.

The top should appear golden and slightly cracked.

Best Internal Temperature for Lemon Loaf

A fully baked loaf typically reaches:

$200^\circ F \approx 93^\circ C$200∘F≈93∘C

Using a thermometer helps prevent underbaking.

Step 7: Cool the Loaf

Allow the loaf to cool in the pan for:

• 10–15 minutes

Transfer to a wire rack to cool completely.

Step 8: Make the Lemon Glaze

Whisk together:

• Powdered sugar
• Lemon juice

until smooth and pourable.

Drizzle over the cooled loaf.

Allow the glaze to set before slicing.

Tips for the Best Sourdough Lemon Loaf

Use Fresh Lemons

Fresh lemon juice and zest provide the brightest flavor.

Don’t Overmix the Batter

Overmixing can make the loaf dense.

Measure Flour Correctly

Too much flour can dry out the loaf.

Use Room Temperature Ingredients

This creates smoother batter and more even baking.

Cool Before Glazing

Warm loaf can cause the glaze to melt completely.

Why Add Sourdough Discard to Lemon Loaf?

Sourdough discard adds:

• Moisture
• Tender crumb
• Mild complexity
• Rich texture
• Reduced food waste

It helps create a softer loaf that stays moist longer.

Delicious Variations

Blueberry Lemon Loaf

Fold in fresh blueberries.

Lemon Poppy Seed Loaf

Add poppy seeds for classic flavor.

Coconut Lemon Loaf

Mix in shredded coconut.

Cream Cheese Lemon Loaf

Add cream cheese swirl for richness.

Orange Lemon Loaf

Combine lemon and orange zest for citrus depth.

Best Ways to Serve Lemon Loaf

This loaf tastes wonderful:

• With coffee or tea
• At brunch
• As dessert
• Toasted with butter
• At spring gatherings
• For afternoon snacks

Storage Instructions

Room Temperature

Store covered for up to 3 days.

Refrigerating

Refrigerate for up to 1 week.

Freezing

Freeze slices individually for up to 2 months.

Common Mistakes to Avoid

Overbaking

Too much baking time dries out the loaf.

Using Bottled Lemon Juice

Fresh lemons provide much better flavor.

Skipping the Glaze

The glaze adds moisture and extra lemon flavor.

Overmixing the Batter

This creates dense texture.

Nutritional Information

Approximate nutrition per slice:

Nutrient	Amount
Calories	280
Carbohydrates	38g
Protein	4g
Fat	12g
Saturated Fat	7g
Sugar	24g
Sodium	180mg

Nutrition values vary depending on glaze quantity and ingredients used.