Starbucks Lemon Loaf Recipe

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This Lemon Loaf Recipe has been tested more times than I can count, and I finally nailed the perfect balance of lemon flavor and tender, moist texture. It’s got the rich, buttery flavor of a pound cake, but with the soft, tender crumb of a lemon bread. Inspired by Starbucks’ Iced Lemon Loaf, but tastes 1000% better.

This homemade lemon loaf blows the Starbucks’ version out of the water. And listen—I love my Starbs, but their lemon cake tastes dense and overly artificial, like someone went wild with the lemon extract.

This copycat Starbucks lemon loaf has everything a lemon bread should: bright citrus flavor, a soft, moist crumb, and a tangy icing on top. The cake stays fresh for days, and is even freezeable!

If you’re looking for more Starbucks Copycat Recipes, try my DIY Vanilla Sweet Cream Cold Foam, at home brown sugar oatmilk shaken espresso, and Starbucks Vanilla Bean Scones.

Why This Lemon Loaf Recipe Works

Getting this lemon loaf just right took lots of testing, and here’s what made the biggest differences:

• The fat ratio matters. Too much butter or sour cream dulled the lemon flavor. I cut the sour cream and thinned it with lemon juice for brightness, then used a mix of butter (for flavor) and oil (for moisture). This kept the loaf soft and tender without making it greasy or wiping out the lemon flavor.
• The lemon flavor comes from the zest, not just the juice. Fresh zest adds way more lemony punch than juice alone, that’s why we need two tablespoons. Creaming the zest with the sugar and butter releases essential oils and gives the loaf that vibrant citrus flavor all throughout without needing lemon extract or a lemon syrup.
• A low-and-slow bake keeps the crumb perfect. Baking in an 8×4” loaf pan at 350°F ensures the lemon cake cooks through evenly, with a moist center and a nice crack down the middle as it rises.
• The icing is key. To make this a true Copycat Starbucks Lemon Loaf recipe, the icing needs to be thick and lemony. This recipe is made with real lemon juice and zest for an extra pop of flavor. The glaze not only looks pretty, but it helps seal in moisture while adding more the bright lemon flavor.

This combo gives you the best of both worlds: the rich texture of a pound cake, the softness of a lemon bread, with a distinct bite of lemon in every single bite. Starbucks could never.

Ingredients You’ll Need

• All purpose flour – Some recipes call for cake flour, but I find all purpose works just fine and gives you a tender and moist cake crumb.
• Coarse Kosher salt – Not the same as table salt. If you only have table or fine sea salt on hand, cut the amount called for in the recipe by half– or use salted butter.
• Baking powder – The baking powder provides the rise needed in this dense loaf, and lightens up the crumb.
• Sour Cream– The sour cream adds moisture and a nice tang.
• Lemon Juice – Use the juice of fresh lemons for the best flavor. You’ll need 3 large lemons for this recipe.
• Vanilla Extract– The vanilla isn’t detectable, but it adds a balance and warmth to the lemon bread.
• White Sugar
• Unsalted Butter – softened at room temperature
• Vegetable Oil
• Fresh Lemon Zest – The zest is where the bulk of your lemon flavor will come from. For best results, zest fresh lemons (you’ll get the most zest) with a microplane grater.
• Large eggs – room temperature
• Powdered Sugar- This is the only extra ingredient you’ll use for the icing. Combined with lemon juice and zest, you’ll get a super flavorful and easy frosting for your Iced Lemon Loaf.

Tip: Avoid zesting the white pith part, that’s too bitter.

How to Make Starbucks Lemon Loaf

Follow these simple directions for the perfect lemon loaf from scratch.

Step 1:

Preheat your oven to 350°F. Spray an 8×4” loaf pan and line it with a strip of parchment paper, leaving some hanging over the sides. Set aside.

Step 2:

In a medium bowl, whisk together the flour, salt, and baking powder.

In a separate small bowl, combine the sour cream, lemon juice, and vanilla. Whisk until smooth. 

Step 3:

In the bowl of a stand mixer with the paddle attachment, cream the butter, oil, sugar, and lemon zest on medium speed for about 2 minutes, until light and fluffy.

Tip: Adding the zest here helps release its natural oils, giving your loaf more lemon flavor.

Step 4:

Turn the mixer to medium-low. Add the eggs one at a time, mixing just long enough until each egg is incorporated. Don’t overmix.

Step 5:

Step 6:

Make The Icing:

In a small bowl, stir together 1 cup powdered sugar and 1 tablespoon + 1 teaspoon lemon juice. The icing should be VERY thick, but spreadable. Add one more teaspoon of juice if the icing is too thick.

Spread the icing over the cooled loaf, slice, and enjoy!

How to Make Thick Icing for Lemon Loaf

The key to a good, thick icing is to add just enough lemon juice to make the icing spreadable, but not easily run off the spoon. 

I always start by adding 1 tablespoon of lemon juice to the powdered sugar at first, and then mix as much as I can. Then I add more lemon juice, 1 teaspoon at a time, until it’s just spreadable. I like my icing for this bread to be the same consistency as a cream cheese frosting.

Lemon Bread Recipe Tips & Tricks

• Use fresh lemons for this recipe. You’ll be able to squeeze a lot more juice out of them and get a lot more zest.
• Room temperature butter and eggs mix into the batter way easier, which helps keep the cake soft and tender, not greasy.
• You’ll need three large lemons for this recipe, 2 for the juice and 3 for the zest.
• Let the loaf cool completely before icing. The icing will melt off if the lemon loaf is too warm.

How To Tell If Your Lemon Bread Is Done

Start checking the cake around the 45-minute mark. Gently press the top—if it springs back and doesn’t feel squishy, that’s a good sign. Then insert a toothpick into the center of the cake. You want to see moist crumbs, not wet batter. You don’t want the toothpick totally clean either, since the loaf keeps cooking as it cools in the pan. If you bake the lemon cake until the toothpick comes out clean, it’s likely overbaked.

Tip: If the top starts browning too quickly, loosely tent a piece of foil over the pan and finish baking.

How to Store Leftover Lemon Loaf

Store leftovers in an airtight container at room temperature for up to 3 days or in the fridge for 5 days.

Can You Freeze Lemon Loaf?

Yes! Bake the lemon bread per the recipe instructions and allow it to cool completely before wrapping for freezing. You can freeze the whole loaf (with or without the icing) or in individual slices. Store in a freezer-safe airtight container for up to 3 months and thaw in the fridge before eating.

To Freeze a Whole Lemon Loaf Cake– Allow the loaf to cool, then stick the whole thing in the freezer for about 2 hours, especially if it’s already iced. This will keep the icing from sticking to the plastic wrap. Double wrap the frozen loaf in plastic wrap and then in a layer of aluminum foil to keep away freezer burn.

To Freeze Slices – Slice the bread and freeze individual slices (with parchment in between) for easy-to-grab, portioned pieces. Allow to thaw completely before eating.

Substitutions and Variations

• Whole milk Greek yogurt may be used in place of sour cream. Buttermilk works as well, but it will make the batter runnier.
• Do not substitute jarred lemon juice for fresh. It won’t taste the same.
• If you want more of a lemon drizzle vs a lemon icing, add more lemon juice to the confectioner’s sugar and cut the sugar in half.
• You can use a 9×5” loaf pan, just expect a shorter loaf, and decrease the cooking time to 40-50 minutes.

How to Serve Iced Lemon Loaf

This lemon loaf is exquisite on its own, but try it topped with a little homemade Strawberry Jam or Mixed Berry Jam.

It’s also amazing as a dessert with some ice cream on the side. Try it with my Homemade Vanilla Ice Cream or Strawberry Ice Cream.

More Lemon Recipes

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