Look up "crowd-pleaser" in the dictionary, and you'll find these Double-Decker S'more Brownies. Perfect after a cookout, they would also be welcome topped with birthday candles. The best part is, they are super-simple to make. Use a brownie mix, or substitute your favorite homemade brownie batter.
Nonstick cooking spray
1 package brownie mix
1 bag mini-marshmallows
Graham crackers, crushed
Trust us: the hardest thing about this swoon-worthy dessert is stopping after one serving. Enjoy!