Name: Lavender Cake with Lavender Buttercream Frosting Recipe
Prep time: 20 min
Cook time: 30 min
Total time: 1 h
Cuisine: American
Ingredients: 1½ Sticks (¾ Cup) unsalted butter, softened; 1½ Cups granulated sugar; 2 Large whole eggs, room temperature; 4 Large egg yolks, room temperature; 2 tsp vanilla extract; 3 Cups all-purpose flour; 4 tsp baking powder; 1 Tbsp dried culinary lavender, finely crushed; ¾ tsp salt; 1¼ Cup buttermilk, room temperature; ⅓ Cup granulated sugar; ⅓ Cup water; 2 Tbsp dried culinary lavender; ½ Cup unsalted butter, softened; 2⅓ Cups powdered sugar, sifted; 2 Tbsp cooled lavender simple syrup; 1 tsp vanilla extract

Jump to Recipe

Picture this: the delicate aroma of lavender blooming soft and sweet as you slice into a tender, moist cake, each bite melting effortlessly on your tongue. The pastel purple frosting swirls invitingly, promising a perfect balance of floral notes and buttery richness. This Lavender Cake with Lavender Buttercream Frosting Recipe isn’t just a dessert; it’s a sensory escape, a celebration of subtle flavors that feel both elegant and homey. Whether you’re treating yourself or impressing guests, this cake comes together with surprising ease, making that magical bite all the sweeter.

Why You’ll Love This Lavender Cake with Lavender Buttercream Frosting Recipe

Ready in 1 hour: From start to finish, this cake fits perfectly into your busy day without sacrificing flavor.
Uses simple ingredients: Pantry staples combined with dried culinary lavender create a unique cake that’s surprisingly easy to assemble.
Perfect for beginners: Clear steps and smart tips make this recipe accessible for bakers of all skill levels.
Impressive presentation: The soft purple hues and delicate buttercream transform an ordinary cake into a showstopper.
Customizable: You can tweak the lavender intensity and decoration style to suit your taste or event.

Why This Lavender Cake with Lavender Buttercream Frosting Recipe Works

This recipe shines thanks to a few key elements that deliver perfect texture and flavor harmony. The use of both whole eggs and additional egg yolks creates a luscious, tender crumb that feels almost silky. Infusing both the cake and the frosting with culinary lavender ensures the floral notes thread beautifully throughout, without becoming overpowering. Alternating dry ingredients with buttermilk while mixing gently avoids overworking the batter, giving you a light, airy cake every time.

Entire round three-layer sponge cake covered in smooth lavender-colored frosting, beautifully decorated on top with intricate piped rosettes and swirls in matching shades of purple, garnished with whole dark berries and delicate edible flowers, presented on a pristine white cake stand, photographed from a 3/4 angle on a white marble surface with natural light, professional food styling photo taken with an iphone --ar 4:5 --v 7

Ingredients You’ll Need

The magic of this Lavender Cake with Lavender Buttercream Frosting Recipe lies in its straightforward, quality ingredients. Each plays a vital role in building that irresistible flavor and texture.

Unsalted butter: Provides richness and a tender crumb when creamed with sugar.
Granulated sugar: Adds sweetness and helps create a light, fluffy texture.
Large eggs and egg yolks: Offer structure and a moist, velvety crumb.
Vanilla extract: Enhances the delicate lavender flavor with warm depth.
All-purpose flour: The base that holds the cake together with a soft bite.
Baking powder: Ensures the cake rises perfectly and feels light.
Dried culinary lavender: The star ingredient, finely crushed to release fragrant oils.
Salt: Balances sweetness and intensifies all flavors.
Buttermilk: Adds tender moisture and slight tang for flavor complexity.
Powdered sugar: The key to smooth, creamy frosting.
Lavender simple syrup: Infuses subtle floral sweetness into the frosting and cake layers.

Ingredient Substitutions & Tips

Unsalted butter: You can substitute with salted butter, but reduce added salt slightly.
Buttermilk: Use plain yogurt thinned with milk or milk plus a splash of lemon juice as a substitute.
Dried culinary lavender: If unavailable, try fresh lavender buds but use less to avoid bitterness.
Granulated sugar: Coconut sugar can be used for a deeper, caramel note, but affects color.

👨‍🍳 Pro Tips for Perfect Results

Cream butter and sugar long enough: To get a fluffy, airy batter that rises evenly.
Crush lavender finely: Use a mortar and pestle or spice grinder to release fragrance without bites.
Don’t overmix the batter: Folding wet and dry ingredients gently prevents dense cake.
Let simple syrup cool completely: This keeps your frosting light and prevents melting.
Chill crumb coat well: It seals crumbs for a smooth final frosting finish.

How to Make Lavender Cake with Lavender Buttercream Frosting Recipe

Step 1: Prep Oven & Pans

Preheat your oven to 350°F (177°C). Grease two 8-inch round cake pans carefully and line the bottoms with parchment paper for easy removal. This simple prep ensures your cakes bake evenly and come out cleanly when cooled.

💡 Pro Tip: Lightly dust the greased pans with flour to further prevent sticking.

Step 2: Mix Dry Ingredients

In a medium bowl, whisk together all-purpose flour, baking powder, finely crushed dried lavender, and salt. This base will evenly distribute your leavening agents and that glorious floral flavor throughout the cake.

💡 Pro Tip: Sift the flour mixture if you want an ultra-light texture.

Step 3: Cream Butter and Sugar

Using an electric mixer, cream the softened unsalted butter with granulated sugar until the mixture is light in color and fluffy in texture. This step is critical for trapping air, which leads to a tender crumb.

💡 Pro Tip: If butter is too cold, microwave in short bursts until just softened to avoid lumps.

Step 4: Add Eggs and Vanilla

Beat in the whole eggs one at a time, ensuring each is fully mixed before adding the next. Follow with the egg yolks and vanilla extract, blending until your batter is smooth and luscious.

💡 Pro Tip: Having eggs at room temperature helps them blend seamlessly, eliminating curdling.

Step 5: Combine Wet and Dry Ingredients

Alternately add the flour mixture and buttermilk into the butter-sugar-egg bowl, starting and ending with the dry ingredients. Mix gently on low speed until just combined – overmixing can create a tough texture.

💡 Pro Tip: Use a spatula to fold in any last streaks of flour for the lightest batter.

Step 6: Bake the Cake Layers

Divide the batter evenly between the prepared pans. Bake for 25 to 30 minutes until a toothpick inserted in the center comes out clean. Let cool in the pans for 10 minutes, then turn out onto wire racks to cool completely before frosting.

💡 Pro Tip: Rotate pans halfway through baking for even cooking.

Step 7: Make Lavender Simple Syrup

While cakes bake, combine ⅓ cup each of sugar and water with dried lavender in a small saucepan. Simmer over medium heat until the sugar dissolves. Remove from heat and let steep for 15 to 20 minutes before straining out lavender buds. Cool completely.

💡 Pro Tip: Keep syrup refrigerated if made ahead; it keeps for a week.

Step 8: Prepare Lavender Buttercream Frosting

Beat softened butter until creamy. Gradually add sifted powdered sugar, continuing to beat until silky and smooth. Add cooled lavender simple syrup and vanilla extract, then beat until light and fluffy.

💡 Pro Tip: If frosting feels too soft, chill briefly, then beat again to perfect texture.

Step 9: Assemble and Frost

Level cake layers if needed. Place one on your serving plate and brush generously with lavender syrup. Spread an even layer of buttercream before topping with the second cake (upside down for a flat surface). Brush this layer with syrup as well. Apply a thin crumb coat of frosting over the entire cake, chill for 15 to 20 minutes, then spread the remaining frosting smoothly. Decorate with extra lavender sprigs or edible flowers if you like.

💡 Pro Tip: Use an offset spatula for smooth, professional-looking frosting.

Common Mistakes to Avoid

Learn from these common pitfalls:

Using non-culinary lavender: It can be bitter or treated with chemicals; always use culinary-grade.
Overmixing batter: Leads to dense, tough cake instead of a tender crumb.
Skipping simple syrup: This step locks in moisture and enhances flavor depth.
Frosting warm cake: Causes melting and sliding; always cool completely before frosting.
Not crushing lavender finely: Bites of whole buds can be overpowering and unpleasant.
Improper pan prep: Cakes can stick or bake unevenly without greasing and parchment lining.

Delicious Variations to Try

Once you’ve mastered the classic Lavender Cake with Lavender Buttercream Frosting Recipe, here are some delicious twists to explore:

Lemon Lavender Cake

Add a teaspoon of lemon zest in the batter and a splash of lemon juice to your buttercream for a bright, citrusy contrast that perfectly complements lavender’s floral notes.

Honey Lavender

Replace granulated sugar in the cake with honey for a deeper sweetness and drizzle honey over the frosted cake before serving for extra indulgence.

Lavender and Blueberry

Fold fresh or frozen blueberries into the batter and sprinkle a few on top for bursts of juicy flavor and pretty pops of color.

Chocolate Lavender

Add ½ cup of cocoa powder to the flour mixture for a subtle chocolate twist that pairs beautifully with lavender’s aroma.

Almond Lavender

Replace ½ cup of flour with almond flour and add a few drops of almond extract to the batter for a nutty, fragrant variation.

How to Serve Lavender Cake with Lavender Buttercream Frosting Recipe

Single white plate holding a generous slice of layered yellow cake with delicate purple frosting swirled between each fluffy tier, close-up angle revealing the moist crumb texture and creamy lavender filling flecked with small dark berries, decorated on top with piped rosettes and dollops of matching purple cream with a few whole berries as garnish, natural light highlighting the smooth and airy frosting, set on a white marble surface, styled like a food blog individual serving photo taken with an iphone --ar 4:5 --v 7

Garnishes

Top with edible lavender flowers, a dusting of powdered sugar, or tiny sugared violets to enhance the delicate aesthetic and add a whimsical touch.

Side Dishes

Serve alongside light fruit salads, a scoop of vanilla bean ice cream, or a refreshing cup of Earl Grey or chamomile tea to complement the floral flavors.

Creative Ways to Present

Slice and serve on vintage china for elegant tea parties, stack mini versions for charming cupcakes, or gift as a beautifully wrapped homemade treat with lavender sprigs tied on top.

Make Ahead and Storage

Storing Leftovers

Keep the frosting-covered cake in an airtight container in the refrigerator for up to 4 days to maintain freshness and flavor.

Freezing

Wrap unfrosted cake layers tightly in plastic wrap and aluminum foil, then freeze up to 3 months. Thaw in the refrigerator before frosting and serving.

Reheating

Bring refrigerated cake to room temperature before serving for the best texture and flavor. Avoid microwaving as it can alter consistency.

FAQs

Can I use fresh lavender instead of dried?

Yes, but use significantly less to prevent bitterness—about half the amount—and be sure it’s culinary-grade.

Is this cake gluten-free?

Not as written, but you can substitute all-purpose flour with a gluten-free blend designed for baking.

Can I make the lavender simple syrup ahead of time?

Absolutely! It keeps in the refrigerator for up to a week, making it perfect for prepping in advance.

What if I don’t have buttermilk?

Mix 1 cup milk with 1 tablespoon lemon juice or vinegar, let it sit for 5 minutes, and you’ve got a great substitute.

How do I crush dried lavender?

Use a mortar and pestle, spice grinder, or even the back of a spoon to break buds into finer pieces releasing their aroma.

Can I color the frosting for a stronger purple hue?

Yes, a few drops of food-safe purple gel coloring can deepen the lavender appearance without altering flavor.

Is this recipe suitable for cupcakes?

Definitely! Bake in lined muffin tins for about 18-20 minutes and frost once cooled.

How long does this cake keep fresh at room temperature?

Because of the buttercream frosting, it’s best stored in the refrigerator and consumed within 4 days.

Final Thoughts

Sharing this Lavender Cake with Lavender Buttercream Frosting Recipe feels like welcoming a touch of spring into your kitchen, no matter the season. Its gentle floral notes and buttery softness create a comforting treat that is as lovely to make as it is to eat. Each slice tells a story of care, tradition, and a little sprinkle of magic from the lavender buds. Whether you’re savoring a quiet moment alone or celebrating with friends, this cake will bring smiles and sweet memories.

Have you tried this Lavender Cake with Lavender Buttercream Frosting Recipe? I’d love to hear how it turned out! Leave a comment below. If you loved this recipe, please share it with friends and family. Happy cooking! 🌸