Lemon Tea Cake

Bahan-bahan (12 porsi)

• ½ pound (2 sticks) unsalted butter, (at room temperature)
• 2½ cups granulated white sugar, (divided)
• 4 extra large eggs, (at room temperature)
• ⅓ cup freshly grated lemon zest
• 3 cups all purpose flour
• ½ teaspoon baking powder
• ½ teaspoon baking soda
• 1 teaspoon kosher salt
• ¾ cup freshly squeezed lemon juice, (divided)
• ¾ cup buttermilk, (at room temperature)
• 1 teaspoon vanilla extract
• 2 cups powdered sugar, (sifted)
• 3½ tablespoons freshly squeezed lemon juice