Custard Cream Marshmallow Bars

Custard Cream Marshmallow Bars

These glorious no bake Custard Cream Marshmallow Bars are the PERFECT treat to make with the kids over the holidays! They’re like big, firm marshmallows crammed with custard cream bits and cherries. Then smothered in white chocolate and sprinkles! Who doesn’t love sprinkles?!

Here is what you will need to make 16 bars.

(Recipe adapted from Good To Know.)

  • 400g Custard Creams
  • 400g White Marshmallows
  • 50g Unsalted Butter, cubed
  • 100g Glacé Cherries, halved
  • 50g White Chocolate
  • Sprinkles


Essential Equipment

  • 20cm (8″) Square Baking Tin
  • Food Processor


Custard Cream Marshmallow Bars Recipe

First thing’s first, line your baking tin with baking paper and set to one side.

Blitz the custard creams in a food processor until they are mostly fine crumbs but still have a few little chunky bits in.

Custard Cream Marshmallow Bars

Tip the marshmallows & the cubed butter into a large bowl. (There’s quite a lot, you may need to do this bit in 2 separate bowls like I did.) Microwave on full power for 50 seconds then give it a really good stir until smooth.

Custard Cream Marshmallow Bars

Tip the biscuit crumbs in, dig deep for some elbow grease, then give it a really good mix. (Parents, you might want to help the little ones with this bit!)

Custard Cream Marshmallow Bars

Custard Cream Marshmallow Bars

For the final mix, stir through those halved cherries.

Custard Cream Marshmallow Bars

Tip the mixture into the lined tin and press firmly until it’s all nice and level. If things are getting a little sticky, try oiling up your knuckles.

Custard Cream Marshmallow Bars

Pop into the fridge to set for a couple of hours or overnight then slice into a 4 x 4 grid to make 16 bars.

To Decorate

Break the white chocolate into a disposable piping bag and melt in the microwave in 10 second intervals. Give it a good squish between each time.

Zigzag the chocolate over each bar then scatter the sprinkles on then top. (This is where the kids can really go nuts!) Pop back into the fridge to set before eating.

Store in an airtight container at either room temperature or in the fridge (it’s entirely up to your preference) and consume within 5 days.

Custard Cream Marshmallow Bars

Don’t they look pretty? If you’re kids don’t like custard creams or cherries, you could very easily switch them out for different flavours. Why not try Oreos and white chocolate chips? Or Lotus Biscoff biscuits and fudge pieces? The possibilities are endless.

I hope you enjoyed the post my lovelies, until next time!

Miss KitchenMason

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Hi, I’m Emma. Let me help you impress with delicious dishes using my easy recipes, step by step pics, tips & videos.