Fudgy Gooey Brownie Bars
These Fudgy Gooey Brownie Bars are the ultimate indulgence, combining rich chocolate brownies, a creamy cheesecake layer, gooey marshmallows, and melty chocolate chunks. They’re decadent, fun, and perfect for anyone who loves their desserts extra rich and irresistible.
Prep Time 15 minutes mins
Cook Time 40 minutes mins
Cooling Time 1 hour hr
Total Time 1 hour hr 55 minutes mins
- 1 Pillsbury fudge brownie mix + ingredients called for on the box oil, water, eggs
- 8 oz cream cheese room temperature
- ¼ cup butter room temperature
- ½ cup sugar
- 1 egg
- 1 teaspoon vanilla extract
- 2 tablespoons all-purpose flour
- 2 –3 cups mini marshmallows
- 1 cup semi-sweet chocolate chunks or chips
Preheat oven to 350°F (175°C). Line a 13×9-inch baking pan with parchment paper.
In a mixing bowl, beat cream cheese, butter, and sugar until light and fluffy.
Add the egg and vanilla, mixing until smooth. Stir in flour just until combined. Set aside.
In a separate bowl, prepare the brownie mix with oil, water, and eggs as directed on the box.
Spread brownie batter evenly into the prepared pan.
Spoon cheesecake mixture over the brownie batter and spread into a thin layer.
Bake for 30 minutes.
Remove from oven and scatter marshmallows and chocolate chunks over the top.
Return to oven and bake for 5–10 minutes, until marshmallows are puffed and chocolate is melted.
Cool completely before slicing with a wet knife, cleaning the blade between cuts.
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Neat cuts: Chill the bars for 30 minutes before slicing for cleaner edges.
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Extra gooeyness: Add a drizzle of chocolate or caramel sauce over the top just before serving.
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Storage: Keep bars in an airtight container at room temperature for up to 3 days, or refrigerate for a firmer texture.