Ingredients
1 ¾ cups cake flour
½ teaspoon baking powder
½ teaspoon baking soda
½ teaspoon salt
1 stick (1/2 cup) cool unsalted butter, cut into 8 pieces
1 ¼ cups granulated sugar
2 large eggs (room temperature)
2 ½ tablespoons key lime juice
1 tablespoon key lime zest
1 drop green food coloring paste
¾ cup buttermilk (room temperature)
Icing:
1 stick cool unsalted butter, cut into 8 pieces
8 ounces cream cheese (room temperature), cut into 8 pieces
2 ¼ cups powdered sugar, sifted
1 tablespoon key lime zest
Preparation
