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Marshmallow Brownies

Marshmallow Brownies


  • Author: Emma Fleming
  • Total Time: 1 hour 5 minutes
  • Yield: 16 brownies 1x
  • Diet: Vegetarian

Description

Super fudgy chocolate brownies with chocolate chips and a marshmallow fluff swirl on top.


Ingredients

Scale
  • 2 cups white granulated sugar

  • 3 large eggs + 1 yolk

  • ½ cup melted unsalted butter

  • 2 tsp vanilla extract

  • ½ cup oil (canola/vegetable)

  • ¾ cup all-purpose flour

  • 1 cup unsweetened cocoa powder (Dutch process)

  • 1½ Tbsp cornstarch

  • ½ tsp salt

  • 1 cup semi-sweet chocolate chips

  • 1 cup marshmallow creme


Instructions

  1. Prep: Preheat oven to 325°F (160°C). Line a 9×9″ pan with parchment.

  2. Dry Mix: Sift flour, cocoa powder, cornstarch, and salt.

  3. Wet Mix: Beat sugar + eggs until pale. Add butter, oil, and vanilla.

  4. Combine: Fold dry ingredients into wet mix. Add chocolate chips.

  5. Swirl: Pour batter into pan. Dollop melted marshmallow fluff and swirl.

  6. Bake: 45–55 mins (toothpick should be slightly wet). Cool before slicing.

Notes

  • Storage: Keep in an airtight container for up to 3 days.

  • For Clean Slices: Chill brownies before cutting.

  • Substitutions: Use gluten-free flour for a GF version.

  • Prep Time: 15 mins
  • Cook Time: 50 mins
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Calories: 336kcal
  • Sugar: 34g
  • Fat: 18g
  • Carbohydrates: 46g
  • Fiber: 3g
  • Protein: 2g