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Starbucks Lemon Loaf Cake

Posted on August 14, 2025

Here’s recipe for a homemade version of Starbucks Lemon Loaf Cake — the moist, sweet, and tangy treat that pairs perfectly with coffee or tea. This copycat recipe is incredibly close to the original in texture and flavor.


🍋 Starbucks Lemon Loaf Cake (Copycat Recipe)

🔸 Yield:

One 9×5-inch loaf (about 8–10 slices)

🔸 Prep Time:

15 minutes

🔸 Bake Time:

50–60 minutes

🔸 Cooling Time:

1 hour


🧾 Ingredients

For the Lemon Loaf:

  • 1½ cups (195g) all-purpose flour

  • ½ teaspoon baking powder

  • ½ teaspoon baking soda

  • ½ teaspoon salt

  • 3 large eggs (room temperature)

  • 1 cup (200g) granulated sugar

  • ½ cup (120ml) sour cream (full fat, room temp)

  • ½ cup (120ml) vegetable oil (or melted butter for richer flavor)

  • 2 tablespoons lemon zest (from about 2 lemons)

  • ¼ cup (60ml) fresh lemon juice

  • 1 teaspoon pure vanilla extract

  • 1 teaspoon lemon extract (optional, but gives a strong lemony punch like Starbucks)


For the Lemon Glaze:

  • 1 cup (120g) powdered sugar (sifted)

  • 1½–2 tablespoons fresh lemon juice

  • ½ teaspoon lemon extract (optional, for stronger flavor)


🍰 Instructions

1. Preheat and Prepare Pan

  • Preheat your oven to 350°F (175°C).

  • Grease and line a 9×5-inch loaf pan with parchment paper, leaving overhang on the long sides for easy removal.


2. Mix Dry Ingredients

In a medium bowl, whisk together:

  • Flour

  • Baking powder

  • Baking soda

  • Salt

Set aside.


3. Mix Wet Ingredients

In a large bowl, whisk together:

  • Eggs

  • Sugar

  • Sour cream

  • Oil

  • Lemon zest

  • Lemon juice

  • Vanilla extract

  • Lemon extract (if using)

Whisk until smooth and creamy.


4. Combine

  • Add the dry ingredients to the wet mixture.

  • Stir gently just until combined — do not overmix (this keeps the loaf tender and moist).


5. Bake

  • Pour batter into the prepared pan and smooth the top.

  • Bake for 50–60 minutes, or until a toothpick inserted into the center comes out clean or with a few moist crumbs.

  • If the top browns too quickly, tent loosely with foil around the 40-minute mark.


6. Cool

  • Allow the loaf to cool in the pan for 15–20 minutes.

  • Then lift it out using the parchment and transfer to a wire rack to cool completely before glazing.


7. Make the Glaze

  • In a small bowl, mix powdered sugar with lemon juice (and lemon extract if using).

  • Stir until smooth. The glaze should be thick but pourable. Add more lemon juice for thinner glaze.


8. Glaze the Loaf

  • Once the loaf is completely cool, pour the glaze over the top.

  • Let it set for 20–30 minutes before slicing.


🍽️ Serving Tips

  • Serve at room temperature.

  • Great with tea, coffee, or fresh berries.


🧊 Storage

  • Room Temp: Store in an airtight container for up to 3 days.

  • Fridge: Up to 5 days, tightly wrapped.

  • Freeze: Freeze the unglazed loaf (whole or sliced) for up to 2 months. Thaw and glaze before serving.


📝 Pro Tips

  • Don’t skip the lemon extract if you want that signature Starbucks lemon punch.

  • Use fresh lemons for juice and zest — bottled lemon juice won’t deliver the same brightness.

  • For a more buttery version, replace the oil with ½ cup melted unsalted butter, cooled.


Would you like a printable version of this recipe or a variation (like lemon blueberry or gluten-free)?

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