Easy One-Bowl Sourdough Strawberry Cake with Lemon Glaze

This easy one-bowl sourdough strawberry cake turns a handful of ripe berries and leftover starter into a tender, bright loaf that’s simple enough for a Tuesday and pretty enough for company. The lemon glaze brings it all together.

The sourdough discard gives the cake a gentle tang and keeps it moist for days, no complicated steps or stand mixer required. It’s the kind of cake you can mix up while the oven preheats and still feel like you pulled off something special.

Why This Cake Stays in My Rotation

The crumb is tender, almost like a cross between a pound cake and a muffin, with pops of jammy strawberry in every other bite. The sourdough isn’t shouting; it’s just a subtle hum in the background that makes you reach for a second slice.

I love that it uses discard I’d otherwise toss, and the one-bowl method means less cleanup. The lemon glaze, barely two ingredients, lifts the whole thing without feeling fussy.

Ingredients

• 1 ½ cups all-purpose flour: plus 1 tbsp for tossing the strawberries
• 1 tsp baking powder
• ½ tsp baking soda
• ¼ tsp salt
• ½ cup unsalted butter, softened: bring to cool room temp so it creams easily
• ¾ cup granulated sugar
• 1 large egg
• 1 tsp vanilla extract
• ½ cup sourdough discard (100% hydration, unfed): stirred down, at room temperature
• Zest of 1 lemon
• 2 tbsp milk: any kind works
• 1 cup diced fresh strawberries: about 6 oz, small ½-inch pieces

For the glaze:

• ½ cup powdered sugar
• 1 to 2 tbsp fresh lemon juice

Variations / Substitutions

• No sourdough discard?: Replace with ¼ cup all-purpose flour plus ¼ cup water, and add an extra ½ tsp baking powder. The cake won’t have the same tang, but it’ll still be soft and lovely.
• Swap the berries: Raspberries, blueberries, or diced peaches all work, cut to a similar size. Toss with flour just the same to stop them from sinking.
• Dairy-free: Use a plant-based butter stick and your favorite unsweetened nondairy milk. The texture stays surprisingly close.
• Skip the glaze: A dusting of powdered sugar or a simple lemon syrup brushed on while the cake is warm works too.
• Frozen strawberries: Toss them in while frozen (do not thaw) and expect an extra 5 to 8 minutes in the oven.

If you like this, you’ll probably enjoy Sourdough Blueberry Muffins too.

How to Make Sourdough Strawberry Cake

Step 1: Toss the Strawberries

Preheat your oven to 350°F (180°C) and line a 9×5-inch loaf pan with parchment paper, leaving a little overhang for easy lifting. In a small bowl, toss the 1 cup diced strawberries with the 1 tablespoon of flour until each piece looks chalky and coated.

This simple step keeps the berries suspended throughout the batter so you don’t end up with a soggy layer at the bottom. Set the bowl aside while you work on the batter.

Step 2: Cream the Butter

In a large mixing bowl, beat the ½ cup softened butter and ¾ cup granulated sugar with a hand mixer until pale and fluffy, about 2 minutes. Stop to scrape down the sides once or twice.

The mixture will lighten noticeably in color and take on a whipped, airy texture. Those tiny air pockets are what give the cake its soft crumb, so don’t rush this part.

Step 3: Mix the Batter

Beat in the 1 large egg and 1 tsp vanilla, then add the ½ cup sourdough discard and the lemon zest, mixing until smooth. In a separate small bowl, whisk together the 1 ½ cups flour, 1 tsp baking powder, ½ tsp baking soda, and ¼ tsp salt. Add half of the dry ingredients to the butter mixture and stir until just combined, then stir in the 2 tbsp milk, followed by the remaining dry ingredients. Fold in the flour-coated strawberries gently with a spatula, taking care not to crush them.

The batter will be thick but spreadable, with pale streaks of zest and bright red berry bits. Overmixing now can make the cake dense, so stop as soon as no dry pockets remain.

Step 4: Bake the Cake

Scrape the batter into your prepared loaf pan and smooth the top with the spatula. Bake for 50 to 55 minutes, until the top is deeply golden and a toothpick inserted in the center comes out clean or with a few moist crumbs. If the top is browning too quickly, loosely tent it with foil after 40 minutes.

Your kitchen will smell like warm lemon and sweet strawberries, and the loaf will have a few pretty berry-pink spots on the crown. Let it cool in the pan on a wire rack for 10 minutes before lifting it out to cool completely.

Step 5: Finish with Lemon Glaze

Once the cake is completely cool, whisk the ½ cup powdered sugar with 1 tablespoon of the lemon juice. Add more juice a few drops at a time until you get a thick but pourable glaze. Drizzle it over the loaf, letting it run down the sides in uneven ribbons.

The glaze sets in about 10 minutes, giving you that glossy, slightly crackly finish. Slice and serve right away, or let it firm up further if you like a thicker coating.

Tips for a Tender Sourdough Cake

• Use strawberries that are just past their prime, the ones that are a little too soft for snacking, because they’re sweeter and more flavorful.
• Stir down your sourdough discard before measuring to break up any separation; otherwise you might end up with too much liquid or flour.
• If your kitchen is warm, pop the strawberries in the fridge after tossing with flour to keep them firm until you fold them in.
• Check the cake at the 45-minute mark. Loaf pans vary, and an overbaked cake will lose its tender texture.
• Let the cake cool fully before glazing. Warm cake melts the glaze into a thin, sticky mess instead of that pretty drizzle.

Bake times by pan:

Storing Leftovers

Store leftover cake at room temperature for up to 2 days, then refrigerate for longer freshness. Refrigerated, it keeps well for up to 4 days in an airtight container. Bring slices to room temperature before serving for the best texture.

What to Serve With Sourdough Strawberry Cake

A thick slice is lovely alongside a mug of strong black coffee; the bitterness cuts right through the sweet glaze. For dessert, add a dollop of barely sweetened whipped cream or a scoop of vanilla ice cream—the cold creaminess contrasts nicely with the soft, berry-filled crumb.

Frequently Asked Questions

Can I make the cake ahead and freeze it?

Yes. Freeze the completely cooled, unglazed loaf wrapped tightly in plastic and then foil. Thaw overnight on the counter, then glaze before serving.

Why did my strawberries all sink to the bottom?

They likely weren’t coated well enough with flour, or the pieces were too big. Make sure each berry is evenly chalky and cut no larger than ½-inch cubes.

Can I substitute Greek yogurt for the sourdough discard?

You can, but the flavor will be milder. Use ½ cup plain Greek yogurt and reduce the milk to 1 tbsp since yogurt is thicker than discard.

What’s the best way to bring cold ingredients to room temperature quickly?

Cut the butter into small cubes and let it sit on the counter for 15 minutes. Place the egg in a bowl of warm (not hot) water for 5 minutes.

Sourdough Strawberry Cake Recipe

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 55 minutes mins

Total Time 1 hour hr 10 minutes mins

Servings: 8 servings

Calories: 330

Ingredients Method Notes

Ingredients

  

• 1 ½ cups all-purpose flour, plus 1 tbsp for tossing
• 1 tsp baking powder
• ½ tsp baking soda
• ¼ tsp salt
• ½ cup unsalted butter, softened
• ¾ cup granulated sugar
• 1 large egg
• 1 tsp vanilla extract
• ½ cup sourdough discard (100% hydration, unfed), stirred down
• Zest of 1 lemon
• 2 tbsp milk
• 1 cup diced fresh strawberries
• ½ cup powdered sugar
• 1 to 2 tbsp fresh lemon juice

Method

 

1. Preheat oven to 350°F (180°C) and line a 9×5-inch loaf pan. Toss strawberries with 1 tbsp flour and set aside.
2. Cream butter and sugar until pale and fluffy, about 2 minutes.
3. Mix in egg, vanilla, sourdough discard, and lemon zest. Whisk dry ingredients separately, then add in two batches, alternating with milk, mixing just until combined. Fold in strawberries.
4. Spread into pan and bake 50 to 55 minutes until golden and a toothpick comes out clean. Cool 10 minutes in pan, then transfer to a wire rack to cool completely.
5. Whisk powdered sugar with lemon juice to make a thick glaze. Drizzle over cooled cake and let set before slicing.

Notes

For the best texture, use room temperature ingredients. The sourdough discard can be straight from the fridge or at room temp, but if cold, let the cake batter sit 5 minutes before baking to take the chill off. The glaze can be made a few hours ahead; just stir before drizzling.