Ingredients:
- Cupcakes:
- ½ cup cake flour (about 2 ounces)
- ¾ cup powdered sugar
- ¾ cup egg whites (about 5 large eggs)
- ⅛ teaspoon salt
- ¾ teaspoon cream of tartar
- ½ cup granulated sugar
- ½ teaspoon vanilla extract
- 2 teaspoons grated lemon rind
- Lemon Frosting:
- ¼ cup butter, softened
- 2 cups powdered sugar
- 1 tablespoon 1% low-fat milk
- 1 to 2 tablespoons freshly squeezed lemon juice
- Edible flowers such as pansies or rosebuds (optional)