Lemon Cloud Cake with Lemon Filling and Lemon Buttercream

This ultra fluffy Lemon Layer Cake is soft, buttery, and stacked high with silky lemon curd and fluffy lemon buttercream like a lemon cloud! It’s the kind of cake that feels fancy enough for a celebration, but simple enough to bake just because you’re craving something sweet and citrusy.

• 1/2 cup butter, room temperature
• 1 1/4 cups granulated sugar
• 2 teaspoons lemon zest
• 3 large eggs
• 1 teaspoon vanilla extract
• 2 teaspoons baking powder
• 1 teaspoon kosher salt
• 2 cups all purpose flour
• 1 cup buttermilk
• 1 (12.7- ounce) jar lemon curd

• 8 cups powdered sugar
• 1 cup butter, room temperature
• 1/4 cups fresh lemon juice
• 1 teaspoon lemon zest
• 1/4 tablespoons milk