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Holiday Butterscotch Confetti Squares (aka your new seasonal addiction)

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Listen… these little butterscotch confetti beauties are my Christmas fling. If you know me from my other blog The Salty Pot, you’ve heard about my holiday affair with these absolutely perfect little desserts.

They’re peanut buttery, butterscotch-ily creamy, and yet softly chewy at the same time. They’re adorable to look at (also sometimes called stained glass window squares), these little bundles of perfection are so stupidly easy to make that it feels illegal.

Pair them with my 4 Ingredient Elf Cookie Bites or 5 Ingredient Eggnog Pie (no bake) and BOOM! – There’s an instant little holiday dessert buffet that would make Santa verrrrrrrry happy.

What You Need (and any Substitutions)

(Just four things… because we don’t struggle here, am I right??)

  • Fruity mini marshmallows: I personally love the soft pastel colors of the fruity ones, but regular white mini’s will work if that’s all you can find.
  • Butter: Butter’s the best, but margarine will work. No oil – not welcome at this party, partner.
  • Butterscotch chips: The best sub I can think of for this would be caramel chips if you can find them. If not, just use white chocolate chips. It won’t be the same, but they’ll still be delish!
  • Creamy peanut butter: I prefer to use the run-of-the-mill variety. Don’t get precious and spend the extra on the natural. Natural doesn’t work as well as the …. let’s say, “factory” kind.
Ingredient photo for the confetti squares.

How to Make 4 Ingredient Butterscotch Confetti Squares

  1. Melt the butter in a big ol’ pot.
  2. Stir in the peanut butter + butterscotch chips until they become one creamy, silky situation. (No drinking, it’s not a beverage, Homer)
  3. Let it cool for a hot second (so you don’t accidentally murder the marshmallows).
  4. Dump in the fruity mallows and stir quick like a bunny – coat those little clouds!
  5. Press into the pan.
  6. Chill → slice → let everyone offer you loads of praise, oooohs and awwwws.

Expert Tips & Ideas for Add-Ins

  • When you’re adding the marshmallows, you’ll want to work quick. No need to mix like a tornado, but be somewhat hurried about it. And it’s important that you don’t skip the ‘pot off the heat’ part. I’ve failed so many times being impatient and adding the mallows in too soon and then it’s a big soupy mess.
  • Want drama? Dip the chilled squares in melted chocolate for a crunchy shell.
  • Want crunch? Add Rice Krispies, potato chips (yes, I said it), or graham crumbs.
  • Hate dishes? Line the pan with parchment. Lift → slice → no scrubbing <—-My favorite part).

Serving Them Up

Should these only be served during the holidays? No. But for me,…. maybe. Hey, my bestie makes them throughout the year and when she tells me she’s made a pan of them, you know I’m there with bells on.

But do I make them throughout the year? No way. I cannot control myself around these insanely perfect, delicious squares. I serve them on the Christmas dessert table, along with pretty much all the other holiday treats because they look so stinkin’ cute amongst it all.

Sometimes… and probably more often than not over my holidays, I like them served in my hand, cozied up on the couch, with a glass of ice-cold milk (or nog is even better!).

Confetti bars piled on top of eachother on a serving board.

📦 Storage

Super easy instructions here.

Freezer: Yup, totally fine… they thaw perfectly, because of course they do. THEY’RE perfect!
Room temp: 5 days, covered so they don’t dry out.
Fridge: 1–2 weeks

Yoast Recipe FAQ

Why are my butterscotch confetti bars turning out too soft or melty?

Your mixture was probably still a bit too hot when you added the marshmallows, which makes them melt into the base instead of staying whole and chewy.
Let the butterscotch-peanut butter mixture cool for 2-3 minutes before stirring in the mallows, and then press the mixture firmly into the pan. Then throw them in the fridge to chill and set up.

So my festive sugar goblins, you have the recipe to my most beloved 10-minute holiday square. (Besides eggnog…….. but that’s not a treat really, I consider eggnog essential to making Christmas, Christmas!).

These little butterscotch confetti babes are proof that you do not need to pull an all-nighter with a stand mixer to impress people.

Whip ’em up, chill ’em down, slice ’em cute, and then sit back and soak up the “OMG you MADE these?” compliments like the cozy little dessert hero you are.

Now go forth and be chaotic, colorful, and fully butter-powered.

4 Ingredient Holiday Butterscotch Confetti Squares Recipe

a square image of the 4 ingredient confetti squares

Buttery, chewy, colorful no-bake squares made with four ingredients and zero fuss. A nostalgic holiday treat that comes together in minutes.

Prep Time 10 minutes
Cook Time 5 minutes
Additional Time 1 hour
Total Time 1 hour 15 minutes

Ingredients

  • ½ cup (1 stick) butter
  • 1 cup creamy peanut butter (smooth is best for that soft-pillowy texture)
  • 1 (8 oz) bag butterscotch chips (or roughly 1 to 1¼ cup by volume)
  • 1 (10 oz) bag mini fruity / rainbow marshmallows (or about 4–5 cups, depending on brand)

Instructions

  1. Grease or line an 8×8″ or 9×9″ baking pan (or 9×13″ if doubling batch) with butter or parchment paper.
  2. In a heavy-bottomed pot (or medium saucepan), melt the butter over low heat. Stir until it’s just melted.
  3. Add the creamy peanut butter and butterscotch chips. Stir slowly until everything melts together into one smooth, glossy, silky-good mixture.
  4. Remove the pot from heat. Give the mixture a short 2-3 minute cool-down so it’s warm but not scorching hot.
  5. Toss in the marshmallows. Stir quickly and thoroughly, coating every fluffy little swirl in that golden butterscotch-peanut butter magic.
  6. Pour the mixture into your prepared pan. Use a spatula (or lightly damp hand) to press it evenly and firmly.
  7. Chill in the fridge for about an hour (or until set).
  8. Slice into squares. Store in an airtight container at room temp (they stay pillow-soft) or in the fridge (firmer, more fudge-like).

Notes

  • Work fast when marshmallows go in — if the mixture is too hot, they melt into a gooey mess instead of staying soft & chewy.
  • Certain peanut butter matters. Use regular “smooth” PB (not the natural, runny kind) for that dreamy texture.
  • Less marshmallows = fudgier bars. If you’d rather a richer, more decadent hit, cut the marshmallows by 1 cup.
  • Parchment paper = no-fuss cleanup. Plus makes the bars slide out cleanly.
  • Want crunch or extra flavor? Toss in Rice Krispies, crushed graham crackers, or even a sprinkle of salt — just before chilling.
  • Chocolate dip option: Once chilled, dip square bottoms into melted chocolate, let set — boom, decadent-looking bars that still took 5 min to make.
  • Nutrition Information

    Yield

    12

    Serving Size

    1

    Amount Per Serving Calories 220Total Fat 20gSaturated Fat 7gUnsaturated Fat 13gCholesterol 25mgSodium 177mgCarbohydrates 6gFiber 3gSugar 2gProtein 5g

    All nutritional information is based on third party calculations and is only an estimate. Each recipe and nutritional value will vary depending on the brands used, measuring methods and portion sizes per household.

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