Yield: Makes about 2 3/4 cups Ingredients * 1/2 cup butter, softened * 1 1/2 teaspoons Key lime zest * 1 teaspoon vanilla extract * 1/8 teaspoon salt * 1 (16-oz.) package powdered sugar * 3 tablespoons Key lime juice * 1 to 2 Tbsp. milk Preparation 1. Beat first 4 ingredients at medium speed with an electric mixer until creamy. 2. Gradually add powdered sugar alternately with Key lime juice, 1 Tbsp. at a time, and 1 Tbsp. milk, beating at low speed until blended and smooth after each addition. Beat in up to 1 Tbsp. additional milk for desired consistency.
Lime Buttercream Icing: 8 Tbsp butter, softened 8 oz cream cheese, softened 2 Tbsp lime juice (approx 2 fresh limes) 1 Tbsp margarita mix 1 tsp lime zest 5 cups powdered (confectioners’) sugar cane sugar fresh limes (for garnish) 1. In a large bowl, combine butter, cream cheese, lime juice, margarita mix, and lime zest. Beat with an electric mixer until light and fluffy.. 2. Add powdered sugar, one cup at a time, and continue beating until smooth. If icing is too thin, add more powdered sugar, a couple tablespoons at a time..
