Italian Meringue Frosting

Ingredients

• 2 1/2 cups sugar
• 1/2 cup water
• 1 cup egg whites from about 8 large eggs
• 1 teaspoon vanilla extract
• 2 cups unsalted butter
• 1/2 teaspoon kosher salt
• 1 cup egg whites from about 8 large eggs
• 2 1/2 cups sugar
• 1 teaspoon vanilla extract
• 2 cups unsalted butter softened
• 7 large egg whites
• 1 1/2 cups sugar
• 1/4 cup water
• 2 tablespoons light corn syrup
• 1/2 teaspoon vanilla extract