Here are my strawberry lemonade cupcakes, with fluffy lemon-scented cake, a sweet strawberry buttercream frosting, and all the fresh citrus flavor you could want in a cupcake.
These cupcakes are perfect for summer parties and birthdays. I love how the tangy lemon and sweet strawberries taste together—it’s just like drinking strawberry lemonade on a hot day, but in cupcake form!

Why You’ll Love These Strawberry Lemonade Cupcakes
- Perfect balance of sweet and tangy – The fresh lemon zest and juice combined with sweet strawberries create that classic strawberry lemonade flavor you crave on a warm day.
- Light and fluffy texture – Using egg whites and sour cream gives these cupcakes an airy, moist crumb that melts in your mouth.
- Fresh, real ingredients – No artificial flavors here—just freshly grated lemon zest, squeezed lemon juice, and real strawberries for authentic taste.
- Quick and easy – These come together in under an hour, making them perfect for last-minute gatherings or weekend baking.
- Crowd-pleasing dessert – The bright, refreshing flavors make these cupcakes a hit at birthday parties, picnics, or any celebration where you want something a little different from chocolate or vanilla.
What Kind of Strawberries Should I Use?
Fresh strawberries are definitely the way to go for these cupcakes, and you’ll want to pick ones that are ripe and sweet. Look for berries that are bright red all the way through without any white or green spots near the stem – those tend to be less flavorful. If strawberries aren’t in season where you live, frozen strawberries can work in a pinch, but make sure to thaw them completely and drain off any excess liquid before using them in your frosting. The fresher and sweeter your strawberries are, the better your frosting will taste, so it’s worth taking a minute to smell them at the store – they should have that classic strawberry aroma.
Options for Substitutions
These cupcakes are pretty forgiving when it comes to swaps, so here are some options if you’re missing an ingredient:
- Sour cream: You can use plain Greek yogurt or buttermilk instead. Both will give you that same tangy flavor and moist texture. If using buttermilk, stick with the same 1/2 cup measurement.
- Fresh lemon juice: While fresh is always best, bottled lemon juice works in a pinch. Just make sure it’s 100% lemon juice without any added sweeteners.
- Fresh strawberries: If fresh strawberries aren’t in season, you can use frozen ones. Just thaw them completely and drain off any excess liquid before using, or your frosting might get too runny.
- Egg whites: Don’t want to waste those yolks? You can use 2 whole eggs instead of 3 egg whites. The cupcakes will be slightly denser but still tasty.
- Heavy whipping cream: Whole milk works just as well for thinning out the frosting if needed. Add it slowly, one teaspoon at a time, until you reach your desired consistency.
- Cornstarch: If you’re out of cornstarch, just use an extra 3 tablespoons of all-purpose flour instead. The texture will be slightly different but the cupcakes will still turn out great.
Watch Out for These Mistakes While Baking
The biggest mistake when making these cupcakes is skipping the strawberry reduction step or not cooking it down enough – if your strawberry liquid isn’t thick and syrupy (reduced from 3/4 cup to 1/4 cup), your frosting will turn out runny and won’t hold its shape.
Another common error is adding the strawberry reduction while it’s still warm, which can melt your butter and ruin the frosting’s texture, so make sure it’s completely cooled before mixing it in.
Don’t overmix the batter once you add the flour mixture, as this develops too much gluten and creates dense, tough cupcakes instead of light and fluffy ones – mix just until the ingredients are combined.
Finally, resist the urge to frost your cupcakes while they’re still warm, since the heat will cause your beautiful strawberry buttercream to slide right off.
What to Serve With Strawberry Lemonade Cupcakes?
These cupcakes are perfect for spring and summer gatherings, so I love serving them alongside a pitcher of actual strawberry lemonade or iced tea to keep the refreshing theme going. They’re sweet enough to stand on their own as dessert, but if you’re hosting a party, consider setting out a fruit platter with fresh berries, melon, and grapes for guests to snack on between cupcakes. For a more complete dessert spread, vanilla ice cream or lemon sorbet makes a nice pairing if you want to offer something cool and creamy on the side. These cupcakes also work great at picnics and barbecues – just pack them in a container and bring along some fresh strawberries for garnish right before serving.
Storage Instructions
Store: These cupcakes stay moist and delicious in an airtight container at room temperature for up to 2 days. If you want them to last longer, keep them in the fridge for up to 5 days, but let them sit out for about 20 minutes before serving so the frosting softens up a bit.
Freeze: You can freeze unfrosted cupcakes for up to 3 months in a freezer-safe container. I like to wrap them individually in plastic wrap first, then put them all in a container to prevent freezer burn. The frosting can also be frozen separately in an airtight container for the same amount of time.
Make Ahead: These are great for making ahead! Bake the cupcakes a day or two before you need them and store them unfrosted. Whip up the strawberry buttercream the day you plan to serve them for the freshest flavor and prettiest presentation.
| Preparation Time | 30-40 minutes |
| Cooking Time | 15-20 minutes |
| Total Time | 45-60 minutes |
| Level of Difficulty | Medium |
| Servings | 12 cupcakes |
Estimated Nutrition
Estimated nutrition for the whole recipe (without optional ingredients):
- Calories: 3200-3400
- Protein: 25-30 g
- Fat: 155-170 g
- Carbohydrates: 430-460 g
Ingredients
For the cake:
- 1 1/4 cups all-purpose flour
- 3 tbsp cornstarch
- 2 tsp baking powder
- 1/2 tsp salt
- 1/8 tsp cream of tartar
- 1/2 cup butter, room temperature
- 1 cup granulated sugar
- 3 tbsp freshly grated lemon zest
- 3 large egg whites
- 1 1/2 tsp vanilla extract
- 1/2 cup full-fat sour cream
- 3 tbsp fresh lemon juice
For the frosting:
- 10 oz fresh strawberries (pureed and reduced)
- 1/2 tsp strawberry extract
- 3/4 cup unsalted butter
- 4 1/4 cups powdered sugar, sifted
- 1 1/2 tbsp heavy whipping cream
Step 1: Prepare Mise en Place and Preheat Oven
- 1 1/4 cups all-purpose flour
- 3 tbsp cornstarch
- 2 tsp baking powder
- 1/2 tsp salt
- 1/8 tsp cream of tartar
Preheat your oven to 350°F and line a cupcake pan with paper liners.
While the oven heats, whisk together the flour, cornstarch, baking powder, salt, and cream of tartar in a medium bowl—this ensures even distribution of leavening agents.
I like to sift the dry ingredients together twice to eliminate any lumps that could create dense spots in the cupcakes.
Set this mixture aside and gather all other ingredients to room temperature.
Step 2: Prepare Strawberry Reduction
- 10 oz fresh strawberries
While the oven preheats, puree the fresh strawberries and strain through a fine-mesh sieve to remove seeds, collecting about 3/4 cup of liquid.
Pour this liquid into a small saucepan and bring to a gentle boil over medium-high heat.
Let it reduce for 15-20 minutes, stirring occasionally, until you have about 1/4 cup of concentrated strawberry liquid with deep, intense flavor.
Transfer to a small bowl and let cool completely—this can be done while you bake the cupcakes.
Step 3: Cream Butter and Build Cupcake Base
- 1/2 cup butter, room temperature
- 1 cup granulated sugar
- 3 tbsp freshly grated lemon zest
- 3 large egg whites
- 1 1/2 tsp vanilla extract
In a large mixing bowl, beat together the room-temperature butter, granulated sugar, and freshly grated lemon zest on medium speed for 2-3 minutes until light, fluffy, and pale.
This creaming process incorporates air that helps the cupcakes rise and creates a tender crumb.
Add the egg whites one at a time, beating well after each addition, then add the vanilla extract and mix until fully combined.
Step 4: Combine Wet and Dry Ingredients
- dry ingredient mixture from Step 1
- 1/2 cup full-fat sour cream
- 3 tbsp fresh lemon juice
With the mixer on low speed, alternate adding the dry ingredient mixture from Step 1 and the sour cream mixed with lemon juice, starting and ending with the dry mixture.
Add in three additions: dry, then sour cream mixture, then dry, then sour cream mixture, and finally dry.
This prevents overmixing and keeps the batter light and tender.
Mix just until combined—I recommend using a rubber spatula to fold the batter gently by hand after the last few additions to ensure you don’t overdevelop the gluten.
Step 5: Bake the Cupcakes
Divide the batter evenly among the lined cupcake cups, filling each about 2/3 full.
Place in the preheated 350°F oven and bake for 15-18 minutes, until a toothpick inserted into the center comes out clean or with just a few moist crumbs.
The cupcakes should be light golden and spring back when lightly touched.
Allow to cool in the pan for 5 minutes, then transfer to a wire rack to cool completely before frosting.
Step 6: Make Strawberry-Lemon Frosting
- 3/4 cup unsalted butter
- 4 1/4 cups powdered sugar, sifted
- cooled strawberry reduction from Step 2
- 1/2 tsp strawberry extract
- 1 1/2 tbsp heavy whipping cream
In a clean bowl, beat the unsalted butter on medium speed for 1-2 minutes until creamy.
Add 1 1/2 cups of the sifted powdered sugar and beat until smooth and fluffy, then add the cooled strawberry reduction from Step 2 along with the strawberry extract.
Continue beating, then gradually add the remaining powdered sugar and heavy whipping cream, beating until you reach a spreadable consistency with a beautiful pale pink color.
Taste and adjust sweetness if needed—the frosting should balance the tartness of the lemon cupcakes with bright strawberry flavor.
Step 7: Frost and Finish Cupcakes
- frosting from Step 6
Once the cupcakes are completely cooled, use an offset spatula or piping bag to apply the strawberry-lemon frosting generously to the top of each cupcake.
For an elegant presentation, I like to create a slight swirl with the back of a spoon or top with a fresh strawberry slice if desired.
Serve immediately or store in an airtight container at room temperature for up to 2 days.

Delicious Strawberry Lemonade Cupcakes
Ingredients
For the cake
- 1 1/4 cups all-purpose flour
- 3 tbsp cornstarch
- 2 tsp baking powder
- 1/2 tsp salt
- 1/8 tsp cream of tartar
- 1/2 cup butter, room temperature
- 1 cup granulated sugar
- 3 tbsp freshly grated lemon zest
- 3 large egg whites
- 1 1/2 tsp vanilla extract
- 1/2 cup full-fat sour cream
- 3 tbsp fresh lemon juice
For the frosting
- 10 oz fresh strawberries (pureed and reduced)
- 1/2 tsp strawberry extract
- 3/4 cup unsalted butter
- 4 1/4 cups powdered sugar, sifted
- 1 1/2 tbsp heavy whipping cream
Instructions
- Preheat your oven to 350°F and line a cupcake pan with paper liners. While the oven heats, whisk together the flour, cornstarch, baking powder, salt, and cream of tartar in a medium bowl—this ensures even distribution of leavening agents. I like to sift the dry ingredients together twice to eliminate any lumps that could create dense spots in the cupcakes. Set this mixture aside and gather all other ingredients to room temperature.
- While the oven preheats, puree the fresh strawberries and strain through a fine-mesh sieve to remove seeds, collecting about 3/4 cup of liquid. Pour this liquid into a small saucepan and bring to a gentle boil over medium-high heat. Let it reduce for 15-20 minutes, stirring occasionally, until you have about 1/4 cup of concentrated strawberry liquid with deep, intense flavor. Transfer to a small bowl and let cool completely—this can be done while you bake the cupcakes.
- In a large mixing bowl, beat together the room-temperature butter, granulated sugar, and freshly grated lemon zest on medium speed for 2-3 minutes until light, fluffy, and pale. This creaming process incorporates air that helps the cupcakes rise and creates a tender crumb. Add the egg whites one at a time, beating well after each addition, then add the vanilla extract and mix until fully combined.
- With the mixer on low speed, alternate adding the dry ingredient mixture from Step 1 and the sour cream mixed with lemon juice, starting and ending with the dry mixture. Add in three additions: dry, then sour cream mixture, then dry, then sour cream mixture, and finally dry. This prevents overmixing and keeps the batter light and tender. Mix just until combined—I recommend using a rubber spatula to fold the batter gently by hand after the last few additions to ensure you don't overdevelop the gluten.
- Divide the batter evenly among the lined cupcake cups, filling each about 2/3 full. Place in the preheated 350°F oven and bake for 15-18 minutes, until a toothpick inserted into the center comes out clean or with just a few moist crumbs. The cupcakes should be light golden and spring back when lightly touched. Allow to cool in the pan for 5 minutes, then transfer to a wire rack to cool completely before frosting.
- In a clean bowl, beat the unsalted butter on medium speed for 1-2 minutes until creamy. Add 1 1/2 cups of the sifted powdered sugar and beat until smooth and fluffy, then add the cooled strawberry reduction from Step 2 along with the strawberry extract. Continue beating, then gradually add the remaining powdered sugar and heavy whipping cream, beating until you reach a spreadable consistency with a beautiful pale pink color. Taste and adjust sweetness if needed—the frosting should balance the tartness of the lemon cupcakes with bright strawberry flavor.
- Once the cupcakes are completely cooled, use an offset spatula or piping bag to apply the strawberry-lemon frosting generously to the top of each cupcake. For an elegant presentation, I like to create a slight swirl with the back of a spoon or top with a fresh strawberry slice if desired. Serve immediately or store in an airtight container at room temperature for up to 2 days.






