In a large bowl mix together the lemon pie filling and angel food cake mix. Use a spoon or spatula to mix this together and don't over mix or whip.
Spray a 9 x 13 pan with non-stick spray or grease with shortening. Add the batter to the pan and spread out evenly.
Place in the oven on the center rack. Bake for 25 minutes or until top starts to brown.
Place on a cooling rack and cool for 1-2 hours before cutting into squares.
Video
Notes
These bars can be cut into smaller pieces if you have a bigger crowd to feed.Can I use another pie filling in these?You can use a pineapple pie filling or key lime if you can find it (or lime curd). How to store:
Don't worry--these lemon bars are just as delicious the next day. Store them in an airtight container or wrap them up tightly with cling wrap and they will be ready to enjoy another day.
You also can freeze these with wax paper in between the layers, then slip them into freezer ziplock bags.