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+ servings

Rocky Road Brownies

Katelyn Ryan
Rocky Road Brownies are ooey-gooey delicious thanks to the warm marshmallows, chopped walnuts, and melty chocolate on top. These brownies are decadently moist and fudgy!
5 from 1 vote
Prep Time 10 mins
Bake Time 20 mins
Total Time 30 mins
Course Dessert
Cuisine American
Servings 12 brownies
Calories 285 kcal


  • ½ cup unsalted butter melted
  • 1 cup granulated sugar
  • 2 large eggs room temperature
  • 1 teaspoon pure vanilla extract
  • ¾ cup all-purpose flour
  • ½ cup cocoa powder
  • ½ teaspoon salt
  • cup semi-sweet chocolate chips
  • ½ cup walnuts chopped
  • 1 cup mini marshmallows


  • Preheat the oven to 350° F. Grease and line an 8X8-inch baking pan with parchment, set aside.
  • In a medium-sized bowl, whisk together the slightly cooled melted butter and granulated sugar. Whisk well for 1-2 minutes. Add the eggs and vanilla extract, whisk for an additional 2-3 minutes until light in color.
  • In a small bowl, whisk together the flour, cocoa powder, and salt. Carefully fold the dry ingredients into the egg mixture, until well incorporated. Fold in ⅓ cup of the semi-sweet chocolate chips.
  • Pour the batter into the prepared pan, spread out evenly. Bake for about 20 minutes, or until set.
  • Immediately after pulling out the baked brownies, sprinkle the top with marshmallows, walnuts, and the remaining ⅓ cup of chocolate chips. Bake for an additional 2 minutes, or until marshmallows have softened and the chocolate chips are gooey.
  • Allow the brownies to cool for at least 1 hour before serving. Serve room temperature or warm.
  • Store the brownies in an airtight container, layers separated by wax paper, for up to 3 days at room temperature and up to 5 days in the refrigerator. To reheat: microwave one brownie for 15 - 20 seconds.


Calories: 285kcalCarbohydrates: 34gProtein: 4gFat: 16gSaturated Fat: 8gTrans Fat: 1gCholesterol: 52mgSodium: 115mgPotassium: 156mgFiber: 3gSugar: 23gVitamin A: 287IUVitamin C: 1mgCalcium: 24mgIron: 2mg
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