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Best Homemade Rocky Road Brownies

  • Author: Megan Keno
  • Prep Time: 15 Minutes
  • Cook Time: 25 Minutes
  • Total Time: 40 minutes
  • Yield: 18 Brownies 1x
  • Category: Dessert
  • Method: Oven
  • Cuisine: American


Ooey gooey rocky road brownies topped with melted marshmallows, pecans, and extra chocolate make these simply sinful!


Units Scale
  • 1 1/4 cup All Purpose Flour
  • 3/4 tsp Salt
  • 1/2 tsp Baking Powder
  • 1 cup Semisweet Chocolate Chips
  • 1 cup Pecans, cut into pieces
  • 1 cup Mini Marshmallows
  • 4 Eggs, room temperature
  • 1 1/2 cups Sugar
  • 1/2 cup Packed Brown Sugar
  • 1/2 cup Canola (or Vegetable) Oil
  • 2 tsp Vanilla
  • 8 ounces Bittersweet Chocolate, chopped
  • 1/2 cup (8 Tbsp) Unsalted Butter
  • 1/4 cup Cocoa Powder


  1. Place oven rack in the middle of the oven, and preheat to 350 degrees. Grease a METAL 9×13 inch pan, and line with parchment paper. In a small bowl, whist together the flour ,salt and baking powder. 
  2. In another small microwave-safe bowl, mix together the chocolate chips, marshmallows, and pecans. Set aside. 
  3. In a large bowl, whisk together the eggs, and both sugars, oil, and vanilla. 
  4. Place the chopped bittersweet chocolate and butter into a bowl and microwave in 30 second intervals, stirring in between until the chocolate and butter melt together to create a ganache. Into the melted ganache, stir in the cocoa powder.
  5. Stir the chocolate mixture slowly into the egg and sugar mixture, stirring to combine completely.
  6. Pour the dry flour mixture into the chocolate mixture, stirring until just a couple streaks of flour remain. Stir in half of the chocolate chips, marshmallows and pecans. 
  7. Pour the batter into the prepared baking dish. Top with other half of chocolate chips, marshmallows, and pecans on top. 
  8. Bake for 25-29 minutes, or until a toothpick comes out with just a couple of crumbs on it. Remove from the oven and allow to cool on a wire rack. 
  9. Use the parchment sling to lift the brownies out of the pan to slice and serve. 


Mildly adapted from Sara Keiffer’s Rocky Road Brownies from 100 Cookies Cookbook 

Keywords: Brownies, Chocolate, Rocky Road, Baking, Marshmallows