Ingredients

The following ingredients have 9 Servings
  • 2 1/2 cups all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1 teaspoon salt
  • 1 cup unsalted butter (softened)
  • 1 1/2 cups sugar
  • 2 large eggs
  • 3 large egg yolks
  • 1/4 cup lemon juice
  • 1 tablespoon lemon zest
  • 1 cup low-fat buttermilk ((see note))
  • 7 cups powdered sugar ((about 2 pounds))
  • 2 limes (juiced (about 1/4 cup))
  • 6 tablespoons lime zest
  • 1 cup unsalted butter (softened)
  • 1/2 cup milk (plus more as needed)
  • Green food coloring ((optional))
  • Fresh lemon and lime slices
  • Candied lemon and lime peels or slices

Instruction