Peanut Butter Rice Bubble Slice

This Peanut Butter Rice Bubble Slice recipe is a great home-made alternative to the store LCM bar variety.

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Peanut Butter Rice Bubble Slice

  • Prep Time: 10 mins
  • Total Time: 10 minutes
  • Yield: 16 1x

Ingredients

Scale
  • 3 tablespoons butter
  • 200g marshmallows
  • 1/2 cup peanut butter
  • 6 cups Rice Bubbles

Instructions

  1. Melt butter in a large saucepan
  2. Add marshmallows, stir until completely melted
  3. Stir through peanut butter, remove from heat
  4. Add rice bubbles, stir until well combined, working fast
  5. Press mixture into a greased and lined large slice pan
  6. Place in fridge for 2-4 hours.
  7. Cut into squares.

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30 comments

My July 20, 2012 - 2:13 PM

Hi Katrina, What a great recipe.  These look great and really easy to make.  Could you suggest any alternatives to peanut butter?

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Tanya July 21, 2012 - 4:22 PM

If you are hoping to keep the sugar content down you could  replace the peanut butter with sunflower seed butter.  I think when I make this I will use puffed wholegrain rice which is slightly less refined and has more fibre

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Karli Pearson October 4, 2012 - 12:46 PM

You can leave out the peanut butter all together (just reduce the amount of rice bubbles so that they still stick together). I’ve done this with great success (there’s a batch in the fridge right now). I’ve also tried lots of variations including stirring through some hundreds and thousand or choc chips, I’ve even stirred through sultanas and chopped up dried apricots when i was trying to kid myself that I could make these a little healthier.

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MelTing July 20, 2012 - 8:00 PM

Hi, Yes would love an alternative to pb as would like to make for school!

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Caroline Stedman July 20, 2012 - 8:14 PM

try jersey caramels… work just as well as PB without the allergy issues  HTH

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My July 21, 2012 - 8:07 AM

Thanks for the variation Caroline – I think my kids will love them with jersey caramels.  

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Andrea September 17, 2013 - 12:45 PM

That sounds so delish!

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Alicia @ The Semi-Rural Life July 21, 2012 - 11:28 AM

These look great and easy to make. I’ll definitely be giving these a go.

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Frog Goose & Bear July 21, 2012 - 3:32 PM

This is definitely my kind if recipe. Super quick and easy with ingredients from the cupboard. Easy enough for kids to help with too – thanks! Will definitely be giving this a go.

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caroline July 21, 2012 - 3:48 PM

Yum! I love rice krispie treats, I bet they’re even better with PB. You call them rice bubbles? I will have to add this to my list of aussie vs american things I collected from my cousins. The social media icons look great! Thanks for your message! xo 

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Kylie July 23, 2012 - 4:29 PM

Yum – made it on the weekend – delicious!

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Katrina July 23, 2012 - 5:25 PM

It’s now at the top of my kids favourite list.

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Elizabeth Berge February 1, 2013 - 5:36 PM

we make a similar LCM style bar. Melt 100g of butter, 1/2 c of sugar and 3 spoons of honey in a saucepan, bring to a simmering boil while stirring, simmer and stir for 5 minutes. Tip over 5 cups of ricebubbles and 1/2 cup of coconut, stir to combine then tip into prepared baking tray. I quite like this recipe because it has ingredients most people have in their pantry, you can delete the coconut if you wnat. Gluten free, fast to make and kids love it. You can add 100’s and 100’s to the top or choc chips if you like.

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bronwyn September 19, 2013 - 8:39 PM

is that teaspoon or tablespoon of honey

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Toothfairy September 17, 2013 - 9:04 PM

Just wondering how long these will keep?

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Katrina September 18, 2013 - 7:30 AM

Easily a week in the fridge, ours are usually eaten quite quickly.

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Sara September 17, 2013 - 9:53 PM

My kids have loved these for years, but we use jersey caramels instead of peanut butter (I have also tried adding about a 1/4 block of melted copha in summer time it binds them together better)

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Katrina September 18, 2013 - 7:29 AM

caramels are a great idea, might have to try it!!

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Lisa Flenley February 20, 2014 - 8:21 AM

Yum! My girls will love these! are these freezable?

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Katrina February 21, 2014 - 1:52 PM

Hi Lisa, No I wouldn’t freeze them, I would be afraid the rice bubbles would go soggy on defrosting. But in saying that I haven’t tried freezing them either.

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Narelle February 20, 2014 - 9:22 PM

Ummmm…… The marshmellows have high fructose corn syrup in them (this enters the body and the liver converts is straight to fat) When the body is overloaded with fat from so much fructose, your blood starts to thicken (doctors call it porridge and is a sign of heart disease and stroke) not only that if you think a little bit won’t hurt, look at how many things you eat each day have it in. If you are trying to lose weight run from Corn Syrup because it’s not used as energy by the body (like glucose) additives in these processed foods also harm little brains and bodies as well as the big ones. A little bit will hurt when we have so much of it. The processed food manuracturers don’t care about your health they care about your money. Lets all start reading and understanding the labels of the processed food we consume because we are making ourselves and our kids fat and unhealthy. It really is an easy thing to learn and when we educate ourselves as to what these ingredients and additives are we will all be a lot healthier, skinnier and smarter : )

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Bea November 21, 2015 - 9:18 PM

Finally someone with a brain. Thankyou

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Amanda April 7, 2016 - 2:52 PM

I was thinking that too and so I’ve never made them. Do you have an alternative at all? This is appealing because it’s easy but then I want to avoid the marshmallows.

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Eleanor October 26, 2014 - 12:52 PM

it is a pity this has marshmallows and peanut butter – two of the things I don’t have in my cupboards… But do have the makings for marshmallows from scratch….

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Katrina - The Organised Housewife October 27, 2014 - 2:44 PM

Ooh that sounds yummy…. I guess you could always replace the peanut butter with honey or chocolate?

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Emma March 14, 2015 - 7:47 AM

These look amazing <3 do you freeze these?

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Katrina - The Organised Housewife March 16, 2015 - 8:57 AM

Hi Emma, to be honest i haven’t frozen them only because they don’t last that long in our house! They will keep in an airtight container for 7 days i the fridge no problems.

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Emma March 17, 2015 - 7:28 AM

Thanks, they didn’t last long enough in our house either lol I was hoping they could freeze as that’s what I try to do with baking so it doesn’t get eaten so quickly lol I also made your honey and carrot muffins, cheese spikes and fruit leather and they all went down very well. the kids were big fans of the fruit leather. Thanks for the awesome recipes

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Katrina - The Organised Housewife March 17, 2015 - 2:27 PM

so pleased that your family enjoyed the recipes!!

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Linda January 16, 2017 - 9:18 PM

You can buy organic peanut butter which is only peanuts ground up . Just wondering if alternative to marshmallows ????

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