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Batch of Rocky Road Brownies and peanuts and chocolate chips on white parchment paper.
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5 from 2 votes

Rocky Road Brownies

These brownies are topped with marshmallows, peanuts and chocolate drizzle. They’re the perfect treat for any occasion!
Prep Time15 mins
Cook Time35 mins
15 mins
Total Time1 hr 5 mins
Course: Dessert
Cuisine: American
Keyword: brownies, chocolate
Servings: 9
Calories: 481kcal
Author: Lynda


  • 8-inch square baking dish


Brownie Batter

  • 1 cup sugar
  • cup cocoa powder
  • ½ cup butter melted
  • 2 large eggs at room temperature
  • 2 tsp vanilla extract
  • ¾ cups all-purpose flour
  • ¼ tsp salt
  • cup chocolate chips


  • 5 ounces miniature marshmallows
  • ½ cup peanuts chopped coarsely
  • ¼ cup chocolate chips

Chocolate Drizzle

  • ¼ cup butter melted
  • ¾ cup powdered sugar
  • 1 tbsp cocoa powder
  • 1 tbsp milk or heavy cream


  • Preheat oven to 350° Fahrenheit. Line an 8-inch square baker with parchment paper
  • Combine dry ingredients (salt, sugar, cocoa powder, and flour) in a large bowl.
  • Add melted butter, eggs, and vanilla to the dry ingredients. Mix until smooth.
  • Fold chocolate chips into the brownie batter.
  • Pour brownie batter into prepared baking dish and bake for 30 minutes or until the center is firm and does not jiggle.
  • Remove the brownies from the oven. While still warm, top brownies with a layer of marshmallows. Sprinkle the top with nuts and chocolate chips.
  • Return the brownies to the oven and bake for 2-3 minutes or until marshmallows start to toast lightly. Remove from oven and allow brownies to cool.

Chocolate Drizzle

  • Combine ¼ cup melted butter, ¾ powdered sugar, 1 tablespoon cocoa powder, and 1 tablespoon milk and mix until smooth. Drizzle over cooled brownies.



Serving: 1brownie | Calories: 481kcal | Carbohydrates: 65g | Protein: 6g | Fat: 24g | Saturated Fat: 13g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 84mg | Sodium: 240mg | Potassium: 153mg | Fiber: 3g | Sugar: 49g | Vitamin A: 562IU | Vitamin C: 1mg | Calcium: 42mg | Iron: 2mg