Peanut Butter Marshmallow Squares

Confetti squares are the kind of retro dessert that instantly brings back childhood memories. Sweet, chewy, gooey, and completely irresistible, these colorful no bake treats are also known as peanut butter marshmallow squares or butterscotch marshmallow squares.

They may be simple, but they are absolutely packed with nostalgic charm. With their soft texture and sugary peanut butter flavor, confetti squares feel like the kind of old fashioned treat that always disappears fast.

What makes these dessert bars so fun is the rainbow marshmallows. They are what give confetti squares their playful name and make them look extra cheerful and colorful.

The multicolored marshmallows also add a big dose of nostalgia. Just seeing them mixed into the bars gives these treats that classic retro dessert feel that so many people remember from childhood.

The texture is one of the best parts of this recipe. Unlike crunchy dessert bars, confetti squares are soft, chewy, and a little gooey, which makes them extra satisfying in every bite.

Their flavor is often compared to scotcheroos because of the sweet peanut butter and butterscotch notes. But instead of being crisp or crunchy, these bars stay fluffy and tender with bursts of sweetness from the marshmallows.

They are definitely on the extra sweet side, but that is part of what makes them so lovable. Confetti squares are the kind of unapologetically sugary treat that feels fun, nostalgic, and impossible to resist.

The final result is a playful, retro dessert that is colorful, chewy, and full of old school charm. Confetti squares are the perfect sweet treat when you want something simple, nostalgic, and totally delicious.

Peanut Butter Marshmallow Squares

Print

Confetti squares are a fun and nostalgic treat that’s ridiculously easy to make and absolutely irresistible. Also known as peanut butter marshmallow squares or butterscotch marshmallow squares, these retro desserts are a fluffy, chewy, and gooey bite of peanut butter sweetness.

Prep Time 15 minutes

Cook Time 1 hour

Total Time 1 hour 15 minutes

Ingredients

• 1/4 cup unsalted butter
• 1 cup peanut butter
• 1 bag butterscotch chips,,300g
• 4-5 cup rainbow marshmallows

Instructions

Step-By-Step Instructions

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Notes

• Store bars in an airtight container in the fridge for up to 5 days. Bars can be frozen for up to 2 months, then thaw overnight in the fridge. 

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