S'mores Brownies
Fudgy chocolate brownies layered with graham cracker crumble and topped with melted marshmallows and chocolate. A campfire classic baked in one pan.
- Total time
- 45 min
- Servings
- 12
- Calories
- 348
- Protein
- 4g
Ingredients
- ½ cup butter
- ¾ cup unsweetened cocoa powder
- 1.5 cups sugar
- 2 large eggs
- ¾ cup all-purpose flour
- 8 full crackers graham crackers
- ¾ cup chocolate chips
- 2 cups marshmallows
- ¼ teaspoon salt
Instructions
- 1
Set the oven to 350°F and wait until the indicator light or beep tells you it has finished preheating, about 10 minutes.
- 2
Line a 9-by-13-inch baking pan with parchment paper, pressing it into the corners so it stays flat on the bottom and sides.
- 3
Break the graham crackers into irregular 1/4-inch pieces — not fine crumbs, but chunks you can still see. Measure out 1 cup of crumbs and set aside in a small bowl.
- 4
Melt the butter over low heat in a medium saucepan, stirring occasionally, until it turns completely liquid and the foam settles, about 3 minutes.
- 5
Remove the pan from heat and whisk in the cocoa powder until the mixture looks smooth and uniform, with no visible powder streaks.
- 6
Add the sugar and whisk until the mixture looks thick and glossy, like wet sand, about 30 seconds.
- 7
Let the mixture cool to room temperature by leaving it untouched on the counter for 5 minutes, so the eggs don't cook when you add them.
- 8
Crack the eggs into the cocoa mixture and whisk for about 1 minute until the color lightens slightly and the mixture looks smooth.
- 9
Sift the flour and salt together over the bowl, then fold it in using a rubber spatula — lift batter from the bottom and fold over the flour, rotate the bowl a quarter turn, and repeat until no white streaks remain.
- 10
Fold in the chocolate chips until they are evenly distributed throughout the batter.
- 11
Pour half of the brownie batter into the prepared pan and spread it into an even layer using an offset spatula or the back of a spoon.
- 12
Sprinkle the 1 cup of graham cracker pieces evenly over the batter, pressing down gently so they stick.
- 13
Pour the remaining brownie batter over the graham crackers and spread it into an even layer, covering the crackers completely.
- 14
Place the pan in the preheated oven and bake for 25 minutes, until a toothpick inserted into the center comes out with a few fudgy crumbs attached — not wet batter, but not completely clean.
- 15
Remove the pan from the oven and immediately scatter the marshmallows across the surface in a single layer, spacing them about 2 inches apart.
- 16
Return the pan to the oven and bake for 3 to 4 minutes, until the marshmallows are puffed and golden on top with light brown edges.
- 17
Remove the pan from the oven and let the brownies cool in the pan on the counter for at least 20 minutes before cutting into 12 squares.
Tools you’ll need
- 9-by-13-inch baking pan
- parchment paper
- medium saucepan
- whisk
- rubber spatula
- offset spatula or spoon
- toothpick
- oven thermometer (optional but recommended)
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