Easy One-Dish S'Mores Casserole

S'Mores Casserole


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This s'mores casserole is absolutely wild. What a simple one-dish dessert you can enjoy anytime you have a taste for this delicious combination! We like to use this as the base of an ice cream sundae for a decadent dessert that's quick.

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Time needed

10 min preparation + 30 min cooking

Serving Size / Yield

1 casserole


  • 1 box dense chocolate fudge brownie mix (plus items needed to complete the box directions)
  • 1 bag marshmallows (the mini kind)
  • 4 C. Graham crackers, crushed into a coarse powder
  • 1 tsp cinnamon
  • chocolate and caramel sauces, if desired

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Preheat the oven to 375 degrees, and spray a 9X13 casserole dish with nonstick spray. 

Prepare the batter for the brownies per package directions and add the cinnamon, and pour into the greased dish. Bake for approximately 20 minutes. Add marshmallows in an even layer on the top, switch the oven to broil and broil the marshmallows until the tops are brown.

Top with crumbled Graham crackers and return to bake at 375 degrees for 5 more minutes. If desired, top with caramel and/or chocolate sauces.

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