Super Simple Lemon Bars

1 pkg. angel food cake mix -- one-step mix kind
1 can lemon pie filling -- (22 oz)

Preheat oven to 350°. Mix lemon pie filling with dry angel food cake mix in large bowl. Bake in a greased jelly roll pan for 30 minutes.
If desired, bars can be topped with nuts or coconut before baking, but remember to add the points if you add the nuts. Cool and cut into 30 bars.