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Ultimate Lemon Layer Cake with Decadent Curd Buttercream

Prep Time 30 minutes
Cook Time 25 minutes
Total Time 55 minutes
Servings 8 slices
Calories 520
A luscious lemon cake layered with tangy lemon curd and creamy buttercream, perfect for special occasions.

Ingredients

Lemon Curd

  • 4 large Egg Yolks
  • 1 cup Granulated Sugar
  • 1/2 cup Fresh Lemon Juice
  • 1 pinch Salt
  • 1/2 cup Salted Butter
  • 1/4 cup Heavy Cream

Cake

  • 2 cups All-Purpose Flour
  • 1 tbsp Baking Powder
  • 1 tsp Salt
  • 1 cup Whole or 2% Milk
  • 1 cup Sour Cream
  • 1 tsp Pure Vanilla Extract
  • 1 tsp Pure Lemon Extract

Lemon Buttercream

  • 2 cups Powdered Sugar
  • 1/2 cup Salted Butter
  • 2 tbsp Fresh Lemon Juice

Instructions 

  • Whisk egg yolks and sugar over simmering water until pale, then add lemon juice and salt. Cook until thickened, then stir in butter and cream. Cool.
  • Preheat oven to 350°F (175°C). Grease three 6-inch pans. Cream butter and sugar, then add lemon zest, eggs, sour cream, vanilla, and lemon extract.
  • Mix dry ingredients separately, then alternate adding to wet with milk until just combined. Divide batter into pans and bake for 22-25 minutes. Cool completely.
  • Beat butter until fluffy, gradually add powdered sugar, then mix in lemon juice and salt to make buttercream.
  • Assemble the cake: layer lemon curd and buttercream between cooled layers, then frost the outside. Decorate as desired.

Notes

Ensure cakes are completely cooled before assembling to prevent melting.
Calories: 520kcal
Cost: $20
Course: Dessert
Cuisine: American
Keyword: Lemon