Grapefruit Pecan Sheet Cake | 5 O'Clock Coffee Club

Ingredients

• !CAKE
• 1 Ruby Red grapefruit
• 1 cup butter, melted
• 2 cups all-purpose flour, sifted
• 2 cups granulated sugar
• 1 teaspoon baking soda
• 1/2 teaspoon kosher salt
• 1/2 teaspoon ground cinnamon
• 1 cup coarsely chopped toasted pecans
• 1/2 cup buttermilk
• 2 large eggs, lightly beaten
• 1 teaspoon vanilla extract
• Shortening
• !FROSTING
• 1 (8-oz.) package cream cheese, softened
• 1/4 cup butter, softened
• 1 (16-oz.) package powdered sugar