Pineapple Angel Food Cake

1 box Angel Food Cake mix
20 ounces crushed pineapple packed with juice, do not drain
1 teaspoon vanilla

Preheat oven to 350 degrees. In a medium-sized bowl, mix together the angel food cake mix, vanilla, and can of crushed pineapple including the juice in the can by hand and place into a greased 9 x 13 inch pan. Bake for 30 to 35 minutes.