S’mores Brownie Marshmallow Bars (Print version)

Fudgy brownies layered with marshmallows and graham cracker crumbs, baked until golden and gooey.

# What You Need:

→ Brownie Base

01 - 1 cup unsalted butter, melted
02 - 2 cups granulated sugar
03 - 4 large eggs
04 - 1 teaspoon vanilla extract
05 - 1 cup all-purpose flour
06 - 1 cup unsweetened cocoa powder
07 - 0.5 teaspoon salt

→ Toppings

08 - 2 cups mini marshmallows
09 - 1 cup graham cracker crumbs
10 - 0.5 cup semi-sweet chocolate chips

# How to Make:

01 - Set oven to 350°F (175°C). Prepare a 9x13 inch baking pan by lining with parchment paper.
02 - Whisk melted butter and sugar in a large mixing bowl until well blended. Add eggs one at a time, mixing thoroughly after each addition. Stir in vanilla extract.
03 - Sift together flour, cocoa powder, and salt in a separate bowl. Gradually fold dry mixture into wet ingredients until a smooth batter forms.
04 - Pour brownie batter evenly into the prepared pan and smooth the surface with a spatula.
05 - Place pan in the oven and bake for 25 minutes, until edges are set but center is slightly soft.
06 - Remove pan from oven. Sprinkle mini marshmallows, graham cracker crumbs, and chocolate chips evenly over the brownie layer.
07 - Return pan to oven and bake for an additional 8 to 10 minutes, until marshmallows are golden and chocolate chips have begun to melt.
08 - Allow bars to cool in pan for at least 30 minutes. Lift from pan using parchment paper and cut into squares.

# Expert tips:

01 -
  • Easy one-bowl brownie base for simple cleanup
  • Classic campfire flavors layered with a rich chocolate upgrade
  • Great for making ahead and sharing at gatherings
  • No fancy equipment needed
02 -
  • Packed with gooey chocolate and toasted marshmallow layers
  • Great for feeding a crowd
  • Stays chewy in the fridge or freezer for days
03 -
  • Always wait until brownies cool before slicing Do not rush this or you will get a gooey mess instead of neat bars
  • If you want extra toasty marshmallows take five seconds to rotate the pan under the broiler for even color
  • Press graham crackers in lightly before final baking so they stick but stay crisp
  • Avoid overbaking brownies to keep the centers lush and soft
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