lemon cake

INGREDIENTS

• 2 sticks unsalted butter, at room temperature
• 2 1/2 cups sugar
• 4 extra-large eggs, at room temperature
• 1/3 cup grated lemon zest (6 to 8 large lemons)
• 3 cups all-purpose flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1 teaspoon kosher salt
• 3/4 cup plus 3 1/2 tablespoons freshly squeezed lemon juice
• 3/4 cup buttermilk, at room temperature
• 1 teaspoon vanilla extract
• 2 cups confectioners’ sugar, sifted.