Gluten-Free Rice Krispie Bars (4 Ingredients!)

These gluten-free Rice Krispie Bars are an easy, no-bake classic that everyone loves – and this version is made with just four simple ingredients! Whether you’re packing lunchboxes, prepping gluten-free party treats, or just want a fuss-free sweet snack to whip up with the kids, this recipe delivers chewy, crispy perfection every time.

Gluten-free Rice Krispie Bars

Why You’ll Love These GF Rice Krispie Treats

  • Gluten-Free & Kid-Approved
  • ⏱️ Quick to Make – 10 Minutes Prep
  • 🍯 No Oven Needed
  • 👩‍🍳 Easy for Kids to Help With
GF Rice Krispie Bars

Perfect for Gluten-Free Party Food and Little Hands

These gluten-free Rice Krispie Bars are a party favourite – fun, mess-free, and easy to portion. You can cut them into smaller squares or bite-sized rectangles to suit younger kids, making them ideal for birthday parties, school events, or playdates.

They’re a crowd-pleaser for both kids and adults, and because they’re naturally gluten-free (with the right ingredients), everyone can enjoy them without worry. Plus, they hold their shape well, making them easy to serve and eat without the crumbs!

gluten-free party sized rice krispie treats

Gluten-Free Ingredients you’ll need

With only 4 simple ingredients, you will need:

  • 100g unsalted butter (around 7 tablespoons)
  • 250g gluten-free marshmallows (about 9 oz)
  • 1 tsp vanilla essence
  • 6 cups gluten-free rice bubbles, gf rice krispies or gf puffed rice cereal

Note: Be sure that your marshmallows and rice cereal are both certified gluten-free, as many can contain hidden gluten (especially malt extract in rice cereals).

Ingredients For Gluten-Free Rice Krispie Bars

Step by Step Instructions

Step 1: Use a rectangle-sized tray (approx. 9 x 13 inch / 23 x 33 cm) and line it with baking paper, leaving some overhang for easy lifting.

Step 2: Melt butter & marshmallows: In a large pot over low heat, melt the butter. Add the marshmallows and stir continuously until completely melted and smooth. Turn off the heat and stir in vanilla essence.

Melt butter & marshmallows

Step 3: Stir in cereal: Add the gluten-free rice bubbles and stir quickly to combine everything evenly.

Step 4: Press into tray – pour the mixture into the prepared tray. Use a lightly greased spatula or a piece of baking paper to press the mixture firmly and evenly into the tray.

press gluten-free cereal mix into the tray

Step 5: Cool & slice – let it cool at room temperature for about 30 minutes (or refrigerate for faster setting), then lift it out and slice into squares or bars.

Gluten-free Rice Krispie mixture pressed into a tray

Storage Instructions

  • Store in an airtight container at room temperature for up to 4 days.
  • For longer freshness, keep them in the fridge for up to a week (they’ll be a bit firmer, but not teeth-breaking hard – and still delicious!).
  • You can also freeze them for up to 2 months – just layer between baking paper in an airtight container.
Melt butter & marshmallows

Fun Variations:

  • 🍫 Chocolate Topped: Melt some gluten-free chocolate and pour over the top before setting.
  • 🌈 Sprinkles: Add gluten-free rainbow sprinkles before pressing into the tray for party vibes.
  • 🥜 Nut Butter Swirl: Stir in a tablespoon or two of peanut butter for a nutty flavour twist.

Make It With the Kids!

This is the perfect recipe to get little hands involved. They’ll love watching the marshmallows melt, stirring the mix, and pressing it into the tray. Bonus: there’s no hot oven to worry about, though the melted marshmallow mixture does get hot and sticky!

GF Rice Krispie Bars

Gluten-Free Rice Krispie Bars

These quick and easy gluten-free Rice Krispie treats are made with just four ingredients — gluten-free marshmallows, butter, vanilla, and GF rice bubbles. Perfect for lunchboxes, parties, or a fun activity with the kids. Chewy, crispy, and totally delicious! No oven needed.
No ratings yet
Prep Time 10 minutes
Setting Time 30 minutes
Total Time 40 minutes
Course Party Food
Servings 32 squares
Calories 61 kcal

Ingredients
 
 

  • 100 grams butter
  • 250 grams gluten-free marshmallows
  • 1 tsp vanilla extract
  • 6 cups gluten-free rice bubbles / crisped rice cereal

Instructions
 

  • Use a rectangle-sized tray (approx. 9 x 13 inch / 23 x 33 cm) and line it with baking paper, leaving some overhang for easy lifting.
  • In a large pot over low heat, melt the butter. Add the marshmallows and stir continuously until completely melted and smooth. Turn off the heat and stir in vanilla essence.
  • Add the gluten-free rice bubbles and stir quickly to combine everything evenly.
  • Pour the mixture into the prepared tray. Use a lightly greased spatula or a piece of baking paper to press the mixture firmly and evenly into the tray.
  • Let it cool at room temperature for 30 minutes (or refrigerate for faster setting), then lift it out and slice into squares or bars.

Notes

Storage Instructions

  • Store in an airtight container at room temperature for up to 4 days.
  • For longer freshness, keep them in the fridge for up to a week (they’ll be a bit firmer but still delicious).
  • You can also freeze them for up to 2 months — just layer between baking paper in an airtight container.

Fun Variations:

  • 🍫 Chocolate Topped: Melt some gluten-free chocolate and pour over the top before setting.
  • 🌈 Sprinkles: Add gluten-free rainbow sprinkles before pressing into the tray for party vibes.
  • 🥜 Nut Butter Swirl: Stir in a tablespoon or two of peanut butter for a nutty flavour twist.
Tried this recipe?Let us know how it was!

More Gluten-Free Treats to Try:

Did you make this recipe?

Mention us @theglutenfreekids or tag us using #theglutenfreekids so we can see your creations! You can also leave a comment below!

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