The zesty flavors of grapefruit make this summer-inspired Pink Grapefruit Cake a treat you'll love for any birthday or celebration. Made using the Easy Layers! Round Pan Set, this cake bakes quickly and is easy to assemble and decorate. Use grapefruit juice and zest to better flavor the batter and icing for this summertime cake, and enjoy this citrus explosion for your next summer BBQ.
Preheat oven to 350F. Prepare Easy Layers Pan Set with vegetable pan spray.
In large bowl, beat cake mix, grapefruit juice, egg whites, oil, and zest with electric mixer on low speed 30 seconds. Scrape bowl. Increase speed to medium and beat 2 minutes. Add Pink Color Right and mix just until color is combined. Divide batter evenly between pans.
Bake 14-16 minutes or until toothpick inserted in center of cakes comes out clean. Cool in pans on cooling grid 10 minutes. Remove cakes from pans; cool completely on cooling grid.
For icing, beat shortening and butter in large bowl with electric mixer until smooth. Gradually add sugar, 1 cup at a time, beating well on medium speed. Add grapefruit juice, zest and Orange Color Right. Beat until light and fluffy. To assemble, spread icing between layers and outside of cake.Finish with grapefruit twists, if desired.