This classic Italian Lemon Custard Cake features a light sponge layered with silky homemade lemon custard and dusted with powdered sugar. A timeless family recipe perfect for spring and summer gatherings.
Custard Filling:
4 egg yolks
½ cup sugar
2 tbsp cornstarch
1¾ cups whole milk
¼ cup fresh lemon juice
Zest of 1 lemon
2 tbsp unsalted butter
Cake:
1¼ cups all-purpose flour
1½ tsp baking powder
¼ tsp salt
3 large eggs
⅔ cup sugar
⅓ cup vegetable oil
½ cup milk
Zest of 1 lemon
2 tbsp lemon juice
1 tsp vanilla extract
Topping:
Powdered sugar, for dusting
Lemon curls or zest, optional
Make custard: whisk yolks, sugar, and cornstarch. Add milk. Cook until thick. Off heat, stir in butter, lemon juice, and zest. Chill.
Make cake: beat eggs and sugar until fluffy. Add oil, milk, lemon juice/zest, and vanilla. Fold in dry ingredients. Bake in greased 8- or 9-inch pan at 350°F for 25–30 min. Cool.
Slice cake in half. Spread custard between layers. Top with powdered sugar. Serve chilled or room temp.
Use ricotta or mascarpone whipped into custard for extra richness.
Store chilled for 4 days.
Try with berries or limoncello glaze.