The cake batter is made from all-purpose flour, salt, baking powder, butter, sugar, eggs, and milk, and flavored with vanilla extract, lemon juice, and pink lemonade concentrate.

Here are 11 of our favorite sheet cake recipes, ... If you can’t find pink guava concentrate, you can use white, and add a few drops of red or pink food coloring. Recipe: Hawaiian Guava Cake. 4.