Refreshing Cake!

Irresistible Lemon Curd Cake

Bright, tender, and unapologetically lemony—this Lemon Curd Cake layers a soft, buttery sponge with a tangy lemon curd center and a silky lemon buttercream. It’s the kind of dessert that works for a sunny weekend brunch, a spring celebration, or anytime you want a citrus showstopper. Serve it after a light meal or bring it to a potluck; it travels well and wows guests.

Why you’ll love this Lemon Curd Cake recipe

This cake balances sweet and tart in a way that feels both refreshing and indulgent. The batter uses buttermilk for extra tenderness and the lemon curd between layers adds a burst of concentrated citrus that cuts through the buttercream. It’s approachable for home bakers—no complicated techniques—yet impressive enough for special occasions.

“A perfect balance of bright lemon and soft cake—easy enough for a weekday bake, elegant enough for company.” — a happy home baker

If you want a quick lemon pairing for a dessert spread, try serving this with lemon-raspberry cupcakes to complement the flavors and textures.

Step-by-step overview

This recipe is straightforward: whisk the dry ingredients, cream butter and sugar, add eggs, then alternate adding dry mix and buttermilk flavored with lemon. Bake thin rounds, cool completely, spread lemon curd between layers, then finish with lemon buttercream. Expect about 25–30 minutes bake time per pan and allow cooling time so the curd and frosting don’t slide.

What you’ll need

• 1 1/2 cups all-purpose flour
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon salt
• 1/2 cup unsalted butter, softened (for cake)
• 1 cup granulated sugar
• 3 large eggs
• 1/2 cup buttermilk (or 1/2 cup milk + 1/2 tbsp lemon juice as a substitute)
• 1/4 cup fresh lemon juice
• Zest of 2 lemons
• 1 cup lemon curd (store-bought or homemade)
• 2 cups powdered sugar (for frosting)
• 1/2 cup unsalted butter, softened (for frosting)
• 1/4 cup fresh lemon juice (for frosting)
• Zest of 1 lemon (for frosting)

Notes: Use room-temperature eggs and butter so everything emulsifies smoothly. If you need a dairy-free option, swap butter for a firm vegan butter and buttermilk for almond milk + vinegar (results will be slightly different in texture).

Step-by-step instructions

1. Preheat the oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
2. Whisk together the flour, baking powder, and salt in a medium bowl. Set aside.
3. In a large bowl, cream 1/2 cup softened butter and the granulated sugar until light and fluffy, about 3–4 minutes.
4. Add the eggs one at a time, beating well after each addition so the batter stays smooth.
5. Stir in the buttermilk, 1/4 cup lemon juice, and the zest of 2 lemons until combined.
6. Add the dry ingredients in two or three additions, mixing gently until just combined. Do not overmix.
7. Divide the batter evenly between the prepared pans and smooth the tops.
8. Bake 25–30 minutes, rotating halfway through, until a toothpick inserted into the centers comes out clean.
9. Let cakes cool in pans 10 minutes, then turn out onto a rack to cool completely.
10. For the buttercream, cream 1/2 cup softened butter and the powdered sugar until smooth. Add 1/4 cup lemon juice and zest of 1 lemon; beat until fluffy.
11. Spread lemon curd between the two cooled layers, then frost the exterior with lemon buttercream. Garnish with extra lemon zest if desired.

 

Best ways to enjoy it

Slice thinly—this cake is flavorful and a little goes a long way. Serve with lightly whipped cream or a scoop of vanilla ice cream for contrast. For drinks, pair with Earl Grey tea, a chilled Prosecco for celebrations, or a lemon-scented iced tea for summer gatherings. For a dessert table, offering a creamy contrast like lemon custard cake creates nice variety.

Storage and reheating tips

Store frosted cake in the refrigerator in an airtight cake carrier or covered with plastic wrap. Because the filling includes lemon curd and buttercream, keep refrigerated; it will stay good for 3–4 days. For longer storage, freeze unfrosted layers wrapped tightly in plastic and foil for up to 2 months. Thaw overnight in the fridge before assembling and frosting. If you do refrigerate slices, let them sit 15–20 minutes at room temperature before serving for the best texture.

Helpful cooking tips

• Cream butter and sugar well: proper creaming traps air and gives a lighter crumb.
• Room-temperature ingredients mix more evenly—cold eggs can cause the batter to curdle.
• Don’t overmix after adding flour; overworking gluten yields a dense cake.
• If your cake domes, level the tops with a serrated knife so layers stack evenly.
• When spreading lemon curd, chill the bottom layer slightly so the curd doesn’t slide.
• Taste and adjust frosting acidity: add more powdered sugar if too thin, more lemon juice for tang.

Creative twists

• Berry-studded: fold 1/2 cup fresh raspberries into the batter for pops of fruit.
• Honey-laced: replace 2 tablespoons sugar with honey for a floral note.
• Gluten-free: use a 1:1 gluten-free flour blend and add 1/4 teaspoon xanthan gum if your blend lacks binding.
• Mini version: bake in three 6-inch pans for party-sized layers or make cupcakes and dollop curd on top.
•  

FAQ

Q: Can I use store-bought lemon curd?

A: Yes—high-quality store-bought curd works well and saves time. If it’s very runny, chill it until thicker before assembling.

Q: How long does it take to assemble from start to finish?

A: Active preparation is about 30–40 minutes. Baking and cooling add at least an hour; plan for 2–3 hours total to cool, assemble, and frost.

Q: Can I make this ahead for a party?

A: Make the layers and lemon curd a day ahead. Wrap cooled layers tightly and refrigerate. Assemble and frost the day of the event for best texture.

Q: My buttercream is grainy—what happened?

A: Graininess usually comes from sugar not fully dissolved or cold butter. Beat on medium-high until smooth, and if needed, add a teaspoon of warm milk to help smooth it.

Q: Is this recipe safe for kids and pregnant guests?

A: The recipe uses fully cooked ingredients and pasteurized dairy; ensure eggs are fully incorporated and the cake reaches proper temperature when baked. If using homemade lemon curd, ensure eggs in the curd are cooked to 160°F (71°C) to be extra safe.

Conclusion

This Lemon Curd Cake is a bright, reliable recipe that blends a tender buttermilk crumb with citrus-forward curd and a silky buttercream. It’s flexible enough for weeknight baking and special enough for celebrations—give it a try, and tweak the variations to match your taste. Visit the Blog for more lemony desserts and baking inspiration.

Print