Peanut Butter Rice Krispie Bars

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To make these Peanut Butter Rice Krispie Bars start with classic rice krispie treats (rice bubble slice), skip the mini marshmallows, add rolled oats and peanut butter to end up with a more nourishing treat.

A piece of peanut butter rice krispie slice on a side plate next to a handful of edible flowers.

Why This Recipe Works

  • Easy to make
  • Dairy-free, Egg Free
  • A Lovely flavor that kids enjoy as a snack or for dessert!
  • The addition of peanut butter and rolled oats to a rice krispy treat means the energy they provide is longer lasting.

Ingredients you will need

To make my peanut butter rice krispie bars you will need:

  • Coconut oil
  • Honey 
  • Peanut Butter 
  • Puffed rice cereal: (Rice krispies,  Rice bubbles)
  • Rolled oats
  • Optional: Vanilla extract
Honey, coconut oil, peanut butter, rice bubbles and rolled oats in bowls and measuring cups on a bench top.

Ingredients Notes & Substitutions

  • Coconut oil: This can be substituted for butter, copha or kremelta
  • Honey: This can be substituted for rice bran syrup or maple syrup 
  • Peanut Butter: Be sure to choose a natural peanut butter, whipped peanut butters with stabilising ingredients can be too dry in this recipe and you may need to increase the amount of coconut oil.  Other nut butter such as almond butter, cashew butter or sunflower seed spread can be used as an alternative.
  • Puffed rice cereal: (Rice krispie cereal,  Rice bubbles)
  • Rolled oats: You can use either traditional rolled oats or quick cook oats. If you would like to leave out the oats, you can increase the amount of rice krispies to 3 cups.

Step-by-step instructions

Below are illustrated step-by-step instructions to make my Peanut Butter Rice Krispie Treats, if you prefer just the written instructions then head straight to the printable recipe card below.

Prep: Line a baking dish with baking paper or parchment paper. I use a 7 x 9-inch pan (18 x 22 cm)

Step one: In a large pot melt the honey and coconut oil, bring to the boil so that it begins to caramelise and thicken a little.

(This step can be completed using a microwave and a microwave-safe bowl)

A saucepan of bubbling caramel being stirred with a spatula.

Step two: Turn off the heat. Add the peanut butter and vanilla extract (if using) and stir it into this mixture, this will not take long, you just want the peanut butter to melt into the honey mix, If you overcook the peanut butter you will end up with a crumbly slice

Smooth peanut butter caramel being stirred with a spatula in a saucepan.

Step three: Add the puffed rice cereal and oats. Mix to combine.

Puffed rice cereal and rolled oats combined with a peanut butter caramel in a saucepan

Step four: Press the crispy rice cereal in an even layer into your prepared pan. Refrigerate for 4hrs or overnight.

Rice krispie mix being pressed into the bottom of a lined baking tin with a spatula.

Step five: Slice, I usually slice into 12, these are quite large portions, you could go smaller depending on your kid's age and appetite

Twelve peanut butter rice krispie bars in a lined square cake tin.

Enjoy!


A container of rice krispie treats next to a small pink bento box packed with rice krispie treats and vegetable sticks.

Top Tips

Here is how you can make these rice krispie treats perfectly every time!

  • I store this peanut butter rice bubble slice in an airtight container in the refrigerator. The bars can become a little soft and crumbly at warm room temperature or in humid conditions which is why I keep them in the fridge.
  • These bars will store in the fridge for up to 2 weeks.
  • This recipe also freezes well, I often freeze it and then pop it into snack boxes for my kids, it defrosts and is perfect for eating.
Rice krispie bars laid out on baking paper.

FAQs

Is puffed rice like Rice Krispies?

Rice Krispies are one brand of puffed rice cereal, there are a number of branded and unbranded versions of this popular breakfast cereal around the world, including rice bubbles.

What is a substitute for marshmallows in rice krispie treats?

Rice Krispie treats are commonly made without marshmallows, especially in Australia and New Zealand. Instead of marshmallows a quick caramel is made using honey and butter or coconut oil.

A piece of peanut butter slice being held above a wooden tray with fruit and more slice.
A stack of 3 rice krisipe treats on a wooden chopping board in front of a honey jar.

If you made my Peanut Butter Rice Krispie Bars  or any other recipes on the blog please :

  • leave me a comment and a star rating below to let me know how you got on, I love hearing from you.
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Peanut Butter Rice Krispie Bars

No-bake peanut butter rice bubble oat slice is a healthier take on a Rice Krispie treat recipe for kids
Print Pin Rate
Course: Snacks
Keyword: healthy rice bubble slice, honey rice bubble slice, no-bake slice, rice bubble cake, rice bubble slice, rice bubbles
Servings: 12 pieces
Calories: 149kcal
Author: My Kids Lick The Bowl

RATE THIS RECIPE

4.55 from 133 votes

Ingredients

  • 50 grams coconut oil
  • 65 grams Honey ¼ cup
  • 120 grams Peanut Butter half cup
  • 1 teaspoon vanilla extract optional
  • 2 Cups puffed rice cereal rice bubbles
  • 1 Cup Oats

Instructions

  • In a large saucepan melt the honey and coconut oil, bring to the boil so that it begins to caramelise and thicken a little.
    (This step can be completed using a microwave and a microwave-safe bowl)
  • Turn off the heat. Add the peanut butter and melt into this mixture, this will not take long, you just want the peanut butter to melt into the honey mix, If you over cook the peanut butter you will end up with a crumbly slice
  • Add the puffed rice cereal rice and oats. Mix
  • Press the mixture into a baking paper lined tin
  • Refrigerate for 4hrs or overnight.
  • Slice, I usually slice into 12, these are quite large portions, you could go smaller depending on your kid's age and appetite

Notes

  • I store this peanut butter rice bubble slice in an airtight container in the refrigerator. The bars can become a little soft and crumbly at warm room temperature or in humid conditions which is why I keep them in the fridge.
  • These bars will store in the fridge for up to 2 weeks.
  • This recipe also freezes well, I often freeze it and then pop it into snack boxes for my kids, it defrosts and is perfect for eating.
  • Coconut oil: This can be substituted for butter, copha or kremelta
  • Honey: This can be substituted for rice bran syrup or maple syrup 
  • Peanut Butter: Be sure to choose a natural peanut butter, whipped peanut butters with stabilising ingredients can be too dry in this recipe and you may need to increase the amount of coconut oil.  Other nut butter such as almond butter, cashew butter or sunflower seed spread can be used as an alternative.
  • Puffed rice cereal: (Rice krispie cereal,  Rice bubbles)
  • Rolled oats: You can use either traditional rolled oats or quick cook oats. If you would like to leave out the oats, you can increase the amount of rice krispies to 3 cups.

Nutrition

Serving: 1g | Calories: 149kcal | Carbohydrates: 14g | Protein: 3g | Fat: 10g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Sodium: 44mg | Potassium: 88mg | Fiber: 1g | Sugar: 6g | Vitamin C: 0.03mg | Calcium: 9mg | Iron: 1mg

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4 Comments

  1. Congratulations on your second Fortnightly Fork email! Like all new things they take a little time to get into the swing (especially with many little ones under your feet) but you'll get there. I look forward to reading them.

    A question on this recipe, "the 1 Cup oats" since there are many types of oats I want to double check which ones your recipe uses.....are they whole rolled oats (as in the old fashioned oats you make porridge out of), or is it instant oats (which is a much smaller flake), or are you talking about oat bran/flour? I look forward to making this recipe.

    Oh, one last thing, thanks for advising your readers the diff in tablespoon sizes etc. as I live in Canada.