Take your brownies to the next level with these decadent , easy to make Gooey Marshmallow Brownies. Discover the best recipe for homemade Marshmallow Brownies with marshmallow fluff.
Preheat oven to 350 degrees. In a double boiler melt chocolate and butter stirring until well mixed.
Beat together sugar and eggs with an electric hand mixer using medium-high speed in a large bowl until smooth and creamy, about 3 minutes. Mix in melted chocolate, vanilla, flour and salt using the electric hand mixer low speed on low speed until combined. A few lumps are fine.
Line an 8×8 in baking pan with parchment paper or spray with cooking spray. Pour about 2/3s of the brownie mixture into the pan, smoothing it out into an even layer. Spread the marshmallow fluff over this and then top with the remaining brownie batter. Use a butterknife to create a swirl pattern.
Bake the brownies for 35 minutes. Remove from the oven and allow to fully cool in the baking pan on a rack. Remove brownies from the pan and cut into 16 squares.