A make-ahead breakfast that turns everyone’s favorite campfire treat into a cozy morning indulgence!
S’mores French Toast Casserole
The first time my Grandma attempted to make S’mores Overnight French Toast Bake she used a different recipe than this one. It was a disaster for both of us! The recipe called for way too many eggs and I burned it when I turned on the broiler.
As we were dealing with the unexpected disappointment, it occurred to me that we should just turn my tried and true Overnight French Toast Bake into a s’mores version! So that’s exactly what we did!
If you love s’mores, too, then I recommend making Golden Graham S’mores Bars, Frozen S’mores, S’mores Bars, S’mores Brownie Bars, S’mores Candy Bites, or S’mores Mini-Pudding Pies, too!
What You’ll Need:
- 1 loaf Sour Dough Bread
- 8 Eggs
- 2 cups Milk
- 1/2 cup Heavy Cream
- 3/4 cup Sugar
- 2 tbsp Vanilla
- 1/2 cup Flour
- 1/2 cup Brown Sugar
- 1 tsp Cinnamon
- 1/4 tsp Salt
- 1/2 cup Cold Butter, Cut into Pieces
- Mini-Marshmallows
- Chocolate Chips
- Graham Crackers, Crushed
How to Make Overnight French Toast Bake
- Spray 9 x 13 pan with non-stick spray.
- Cut a loaf of sour dough bread into cubes and distribute evenly into the pan.
- In a bowl, mix together 8 eggs, 2 cups milk, 1/2 cup heavy cream, 3/4 cup sugar, and 2 tbsp vanilla.
- Pour over bread evenly. Cover pan and refrigerate overnight.
- For the topping, mix together 1/2 cup flour, 1/2 cup brown sugar, 1 tsp cinnamon, and 1/4 tsp salt.
- Cut 1/2 cup cold butter into pieces and mix with the topping mixture until crumbly. Place into a separate container and refrigerate overnight.
- Take the pan and container out of the refrigerator when ready. Sprinkle the crumbly topping over the bread evenly.
- Bake at 350 degrees for 45 minutes. (Remove from the oven if you like it soft; continue to bake if you like it firm.)
- Set oven to broil.
- Sprinkle the top with desired amount of mini-marshmallows, chocolate chips, and crushed Graham crackers.
- Broil for 1-2 minutes. Watch the entire time and remove from oven just as the mini-marshmallows start to turn golden brown.
Recipe Notes:
- Bread – Make sure to use bread that is a day or two old. This helps to make sure it doesn’t absorb too much and become soggy. I highly recommend using sour dough bread!
- Variations – You can add chopped pecans, apple pieces, or blueberries!
- Full Pan – Make sure your pan is filled just about to the top, not heaping, with the cubed sour dough bread. Depending on the size of the loaf you buy, you make need a loaf and a half. Making sure the pan is full helps with not having soggy french toast.
More Breakfast Ideas:
- Apple Fritter Cinnamon Roll Bake
- Cinnamon Rolls in the Waffle Maker
- Cinnamon Roll Peach Cobbler
- Pumpkin French Toast
- Blueberry Cream Cheese Danish
- Vegetarian Biscuits and Gravy
- 2-Ingredient Apple Cinnamon Roll Bake
- Vegetarian Egg Bake
- Cinnamon Roll Peach Cobbler
- Strawberry Smoothie Bowl
- Rhubarb Breakfast Cake
- Apple Fritter Monkey Bread
- Easy Monkey Bread
- Stuffed Pumpkin French Toast
- Easy Hot Cocoa Cinnamon Rolls
S'mores Overnight French Toast Bake

S'mores Overnight French Toast Bake, a make-ahead breakfast that turns everyone's favorite campfire treat into a cozy morning indulgence!
Ingredients
- 1 loaf of Sour Dough Bread, Cubed
- 8 Eggs
- 2 cups Milk
- 1/2 cup Heavy Cream
- 3/4 cup Sugar
- 2 tbsp Vanilla
Topping
- 1/2 cup Flour
- 1/2 cup Brown Sugar
- 1 tsp Cinnamon
- 1/4 tsp Salt
- 1/2 cup Cold Butter (Cut into Pieces)
- Mini-Marshmallows
- Chocolate Chips
- Graham Crackers, Crushed
Instructions
- Spray 9 x 13 pan with non-stick spray.
- Cut a loaf of sour dough bread into cubes and distribute evenly into the pan.
- In a bowl, mix together eggs, milk, heavy cream, sugar, and vanilla.
- Pour over bread evenly. Cover pan and refrigerate overnight.
- For the topping, mix together flour, brown sugar, cinnamon, and salt.
- Cut cold butter into pieces and mix with the topping mixture until crumbly. Place in a container and refrigerate overnight.
- Take the pan and container out of the refrigerator when ready. Sprinkle the crumbly topping over the bread evenly.
- Bake at 350 degrees for 45 minutes. (Remove from the oven if you like it soft; continue to bake if you like it firm.)
- Set oven to broil.
- Sprinkle the top with desired amount of mini-marshmallows, chocolate chips, and crushed Graham crackers.
- Broil for 1-2 minutes. Watch the entire time and remove from oven just as the mini-marshmallows start to turn golden brown.
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