Smores Brownie Mix Cookies (Printable)

Chewy brownie-style cookies with chocolate chips, graham cracker bits, and gooey toasted marshmallow topping.

# What You'll Need:

→ For the Cookies

01 - 1 box (18-20 oz) brownie mix
02 - 2 large eggs
03 - 1/3 cup vegetable oil
04 - 1 tablespoon water
05 - 1/2 cup semi-sweet chocolate chips
06 - 1/2 cup crushed graham crackers (about 4 sheets)

→ For the Marshmallow Top

07 - 18 large marshmallows
08 - 1/4 cup mini chocolate chips (optional, for garnish)
09 - 1/4 cup crushed graham crackers (optional, for garnish)

# How-To Steps:

01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a large bowl, combine brownie mix, eggs, vegetable oil, and water. Mix until just combined with no dry streaks remaining.
03 - Gently fold in semi-sweet chocolate chips and crushed graham crackers until evenly distributed.
04 - Scoop heaping tablespoons of dough onto prepared baking sheets, spacing approximately 2 inches apart to yield about 18 cookies.
05 - Bake for 8-9 minutes until cookies are set but still soft in the center.
06 - Remove from oven and immediately press one large marshmallow onto the center of each cookie.
07 - Return cookies to oven for 1-2 minutes until marshmallows are puffed and beginning to melt.
08 - For golden finish, broil for 30 seconds under close observation until marshmallows achieve light brown color.
09 - Remove cookies from oven. Immediately sprinkle with mini chocolate chips and crushed graham cracker crumbs if desired.
10 - Cool cookies on baking sheets for 5 minutes, then transfer to wire rack to cool completely.

# Expert Suggestions:

01 -
  • They come together in under 30 minutes, which means you can satisfy a s'mores craving without the actual campfire drama.
  • The brownie mix does the heavy lifting, so even if you're not confident in the kitchen, these still turn out gorgeously fudgy.
  • That moment when the marshmallow puffs up and starts to melt is pure satisfaction, and it never gets old.
02 -
  • If your marshmallows slide off or don't stick, the cookie base wasn't warm enough when you pressed them in—pull them out at exactly 8–9 minutes when they're still steaming.
  • The broiler step goes fast, and burnt marshmallows taste like disappointment, so set a timer or stand right there watching if you've never done this before.
03 -
  • If your marshmallows keep sliding around, try pressing them in at a slight angle and holding for a few seconds—the slight friction keeps them anchored.
  • Make sure your baking sheets are cool between batches, or the first edges of your new cookies might spread too thin and bake faster than the centers.
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