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Side view of lemon curd cake.
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5 from 4 reviews

Lemon Curd Cake

This lemon curd cake is a very soft lemon cake topped with cream cheese frosting. It is topped with lemon curd.
Prep Time1 hour
Cook Time45 minutes
Total Time1 hour 45 minutes
Servings: 16 slices
Calories: 402kcal

Ingredients

Lemon Cake

  • 1 3/4 cup All-purpose flour
  • 1 tsp Baking powder
  • 1/2 tsp Baking soda
  • 1/2 tsp Salt
  • 1/3 cup Unsalted butter room temperature
  • 2 TBSP Oil canola or vegetable
  • 3/4 cup White granulated sugar
  • 1/4 cup Sour cream room temperature or greek yogurt
  • 2 TBSP Lemon zest 2 large lemons
  • 2 TBSP Lemon juice
  • 2 Large eggs room temperature
  • 1/2 cup Buttermilk room temperature

Lemon Curd

  • 1/2 cup Freshly squeezed lemon juice 2-3 large lemons
  • 1 TBSP Lemon zest 1 large lemon
  • 4 Egg yolks
  • 3/4 cup White granulated sugar
  • Pinch of salt
  • 1/2 cup Unsalted butter cold and cubed

Cream Cheese Frosting

  • 1 cup Unsalted butter room temperature
  • 8 oz Cream cheese room temperature
  • 2 1/2 cups Powdered sugar sifted
  • 1 tsp Pure vanilla extract

Instructions

Lemon Cake

  • Preheat the oven to 350℉. Spray a 8-inch cake pan with baking spray. Line the bottom of the pan with a parchment circle and spray again. Set aside.
  • In a medium bowl, sift the flour, baking powder, baking soda, and salt. Set aside.
    1 3/4 cup All-purpose flour, 1 tsp Baking powder, 1/2 tsp Baking soda, 1/2 tsp Salt
  • Using a mixer in a large bowl, beat the butter, oil, and sugar on high speed for 2 minutes. It will become fluffy and pale in color.
    1/3 cup Unsalted butter, 2 TBSP Oil, 3/4 cup White granulated sugar
  • Add in sour cream, lemon zest, lemon juice, and eggs. Mix on medium speed until combined. Make sure to scrape the bowl using a baking rubber spatula.
    1/4 cup Sour cream, 2 TBSP Lemon zest, 2 TBSP Lemon juice, 2 Large eggs
  • Add in the dry ingredients and buttermilk, mix on low speed until just combined. Take off the mixer and scrape the bowl.
    1/2 cup Buttermilk
  • Spread the cake batter into the cake pan. Bake for 25-30 minutes. Bake until a toothpick inserted comes out clean.
  • Let the cake sit in the hot pan for 10 minutes before transferring to a cooling rack. Cool completely before decorating.

Lemon Curd

  • Start the curd while the cake is baking. In a medium saucepan over medium low heat, add the lemon juice, lemon zest, egg yolks, sugar, and pinch of salt.
    1/2 cup Freshly squeezed lemon juice, 1 TBSP Lemon zest, 4 Egg yolks, 3/4 cup White granulated sugar, Pinch of salt
  • Whisk constantly for 20-25 minutes until thickened and it start to have some foam on top.
  • Take off the heat, add in the cold and cubed butter, Whisk until melted. Pour curd into a bowl and cover with plastic wrap. Place in the fridge to cool.
    1/2 cup Unsalted butter

Cream Cheese Frosting

  • Sift the powdered sugar into a medium bowl.
    2 1/2 cups Powdered sugar
  • Using a mixer, beat the butter for 2 minutes on high speed. Add in the cream cheese and mix on high for 1 minute.
    1 cup Unsalted butter, 8 oz Cream cheese
  • Add in half of the powdered sugar and mix on low speed until just combined. Add in the rest of the powdered sugar and mix until combined.
  • Add in the vanilla and mix on high speed until creamy.
    1 tsp Pure vanilla extract
  • Spread the frosting on top of the cake. Place small dollops of lemon curd on top of the cake. Use a spoon to swirl it together.

Notes

Flour- Make sure flour is spooned and leveled or use a kitchen scale. Compacted flour can dry out the cake.
High altitude baking- Add an extra 2 TBSP of flour.
Pull out dairy ingredients 2 hours before baking.

Nutrition

Calories: 402kcal | Carbohydrates: 51g | Protein: 4g | Fat: 30g | Saturated Fat: 17g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 122mg | Sodium: 192mg | Potassium: 66mg | Fiber: 0.5g | Sugar: 20g | Vitamin A: 941IU | Vitamin C: 2mg | Calcium: 56mg | Iron: 1mg