Lemon Poppyseed Slab Cake

Name: Lemon Poppyseed Slab Cake
Prep time: 35 min
Cook time: 45 min
Total time: 1 h 20 min
Cuisine: European, American
Ingredients: 113g unsalted butter (melted & cooled); 150g granulated sugar; Zest of 2 lemons; 2 large eggs (room temp); 120g full-fat yogurt; 60ml lemon juice; 180g all-purpose flour; 2 tsp baking powder; 2 tbsp poppyseeds; 50g granulated sugar; 3 tbsp lemon juice; 50g mascarpone (cold); 120ml heavy cream (cold); 1/2 tsp vanilla extract; 4 tbsp powdered sugar (or to taste); 1 egg; 2 egg yolks; 100g granulated sugar; 3/4 tbsp cornstarch; Juice of 2 lemons; Zest of 1 lemon; 40g unsalted butter

Instructions

Prep:35minCook:45min

These Lemon Poppyseed Slab Cakes are the definition of a feel-good dessert—bright, fresh, and effortlessly pretty. Whether you’re hosting a brunch or just craving something lemony and special, this recipe brings both flavor and aesthetic to the table.

Updated at: Tue, 21 Apr 2026 08:27:54 GMT