Dump angel food cake mix and crushed pineapple together. Very gently stir just until all powdered mix is mixed in well. Do NOT over-mix. Preheat oven to 350 degrees.
Lightly spray a 13x9 pan with non stick spray and pour this batter in, smooth out on top.
Bake for 30-35 minutes or until top is golden brown and middle is firming up when touched.
Allow to cool on cooling rack, cut and serve with berries is good.