Looking for an easy no-bake chocolate slice that’s crunchy, gooey and a guaranteed crowd-pleaser? These Malteser Rice Krispie Treats are it. Think chewy marshmallow base, swirls of melted white chocolate, and plenty of Maltesers for that perfect malt crunch — they’re sweet, nostalgic, and dangerously moreish.
This recipe is perfect for bake sales, lunchbox treats, parties, or let’s be honest — eating straight from the fridge.
This is one of those recipes that accidentally empties your pantry — it’s the ultimate way to use up leftover ingredients and turn them into something completely addictive.
No‑bake — the fridge does all the work.
Perfect for using up leftover rice bubbles, Maltesers or chocolate.
Takes just 15 minutes of prep.
Great for school snacks, bake sales, or midnight fridge raids.
Freezer-friendly and easy to transport
Great for kids and adults
If you’ve ever wondered what to do with leftover rice bubbles, extra Maltesers, or those last pieces of chocolate from Easter, this recipe has your name on it.
It’s a one‑bowl, no‑bake dessert with marshmallows and puffed rice — just melt, mix, and chill. Ideal if you’re searching for:
This slice is great for:
Leftover rice bubbles from breakfast boxes
Random chocolates from the pantry or gift hampers
Leftover marshmallows from s’mores night
100g unsalted butter
200g marshmallows (mini or regular)
50g white chocolate, chopped
120g rice bubbles (aka Rice Krispies or puffed rice cereal)
100g Maltesers, roughly chopped or crushed
200g milk or dark chocolate, melted
50g white chocolate, melted (for drizzle)
50g Maltesers, halved or crushed (for topping)
Line a slice tin (20x20cm or similar) with baking paper. Lightly grease the sides.
In a large saucepan, melt the butter over low heat. Add the marshmallows and stir gently until almost fully melted.
Stir in the white chocolate and continue mixing until everything is smooth, gooey, and glossy.
Remove from heat. Quickly fold in the rice bubbles and crushed Maltesers. Stir until well combined — it will be sticky!
Press the mixture into your prepared tin using a spatula or piece of baking paper. Make sure it’s firmly packed. Chill in the fridge for 30 minutes.
Pour over the melted milk or dark chocolate and smooth the top.
Drizzle with white chocolate and sprinkle over the extra Maltesers.
Refrigerate for at least 1 hour or until completely set. Slice into squares using a hot knife for clean cuts.
Store in an airtight container in the fridge for up to 5 days.
Freeze in layers with baking paper for up to 2 months.
This recipe relies on melted marshmallows for that classic chewy rice crispy texture. Honey won’t work the same way — but you could try a honey + peanut butter version if you want something different.
Of course. Try Mars Bar chunks, Chokito bits, or M&Ms. Or for an American spin, go with Reese’s Pieces or Hershey’s Drops.
Yes — just use gluten‑free puffed rice cereal and check your Maltesers (they contain barley malt, so swap for a GF malt‑free alternative if needed).
You can, but it adds creaminess and helps the marshmallow mixture set smoothly — highly recommended!
Chill before slicing — and use a hot knife for clean edges.
Use dark chocolate on top if you want it less sweet.
Drizzle the white chocolate just before topping with Maltesers so they stick well.
Press the mixture firmly so it holds together once chilled.
Use dark chocolate if you prefer it less sweet.
Add a pinch of sea salt flakes for balance.
For extra chew, mix in a handful of mini marshmallows before pressing into the tin.
“what to do with leftover rice bubbles”, “easy Malteser slice”, or “no‑bake chocolate marshmallow slice”?
You’re in exactly the right place — and your fridge is about to get a lot happier.
Mon Mack Food is my little space to share my passion for food. It is also a place to document the recipes I’ve created while cooking for friends and family! While it is now just a hobby, my absolute dream is to build this project into something I can one day call my job 🙂
