Brownies with Marshmallows on Top

Brownies with marshmallows on top are one of the easiest ways to turn any brownie — homemade or a box mix — into something bakery-worthy. 

This marshmallow topping trick takes just two extra ingredients and about 2 minutes of extra oven time, and it works no matter what brownie recipe you're starting with.

The best part: the marshmallow layer stays soft and gooey even after the brownies cool completely, so you're not stuck eating them warm to get that melty texture.

Here's exactly how it works, plus how we like to make it with a simple box mix.

How to Make Brownies with Marshmallows on Top

All you need to add this topping to any brownie recipe:

• Mini Marshmallows
• Chocolate chips

Note: This topping works on any brownie base — a boxed mix, a from-scratch recipe, even brownies with frosting swapped out. Just make sure your brownies are fully baked before adding the topping.

(Want to go even further? Try it with homemade marshmallows instead of store-bought.)

Start by making your brownies (whether from a box mix like ours, or your favourite recipe) and bake as directed. We love doctoring up a simple box mix — we did the same thing with this easy rainbow layer cake — and it's a great way to get kids helping, since they love to stir at any age!

Once your brownies are fully baked — test with a toothpick, it should come out clean — sprinkle marshmallows over the top. For an 8x8 or 9x9 pan, we do one full layer, enough to completely cover the surface with the marshmallows touching or slightly overlapping. Then scatter chocolate chips over that.

Put the pan back in the oven for about 2 minutes, just until the chocolate chips look shiny and melty and the marshmallows have puffed up. Watch closely — this step goes fast.

This is a fun part for your kids, too. Let them watch the marshmallows puff up as they're heated in the oven and task them with letting you know when the chocolate chips start to look shiny & melty!

Here's how our marshmallow-topped brownies looked when we pulled them out of the oven:

All that's left to do after that is to sample your creation!  My kids liked eating them warm with a scoop of vanilla ice cream.

Do you ever add extra toppings or mix-ins to your basic brownie mixes? I'd love to hear what you've tried in the comments!

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