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Fluffernutter Rice Krispie Treats
These fluffernutter rice krispie treats are a gooey, nostalgic twist on the classic no-bake dessert. Made with creamy peanut butter, marshmallows, marshmallow fluff, and crispy rice cereal, they’re chewy, crunchy, and packed with sweet peanut butter flavor. Easy to make and perfect for sharing, these treats are a fun mash-up of classic rice krispie treats and a fluffernutter sandwich.
👥 12 Servings⏱️ Prep & Cook: 1h 25m⏳ Prep: 20 min🔥 Cook: 5 min👤 Courtney📖 cakemehometonight
🥘 Ingredients
Check off ingredients as you prepare them:
🍳 Cookware
- pan
- saucepan
📝 Preparation Steps
1
Prepare a 9×13 baking pan with nonstick cooking spray and parchment paper. Extend the parchment paper up the sides of the pan to easily remove the rice krispie treats from the pan.
2
In a large saucepan on the stovetop over medium-low heat, melt the unsalted butter. Add in 20 ounces of mini marshmallows and stir until the marshmallow mixture is melted and smooth. Remove the saucepan from the heat.
mini marshmallows (2 – 10 oz bags)20 oz½ cups mini marshmallows (divided - 2 cups for the rice krispie treat mixture and ½ cup for the top)2
3
Stir in the 1 cup of creamy peanut butter, vanilla extract, and salt. Then, fold in the Rice Krispies cereal and additional 2 cups of mini marshmallows until the cereal is well coated in the melted marshmallow mixture.
creamy peanut butter1 cup⅓ cup creamy peanut buttervanilla extract2 tspRice Krispies cereal7 cupsmini marshmallows (2 – 10 oz bags)20 oz½ cups mini marshmallows (divided - 2 cups for the rice krispie treat mixture and ½ cup for the top)2
4
Pour half of the rice krispie treat mixture into the prepared baking pan and spread into an even layer.
5
Fill a piping bag with the marshmallow fluff and pipe an even layer of fluff over the rice krispie treat bars. Then, fill another piping bag with the additional creamy peanut butter and pipe over the marshmallow fluff.
marshmallow fluff1 cupcreamy peanut butter1 cup⅓ cup creamy peanut butter
6
Carefully spread the remaining rice krispie treat mixture over the marshmallow fluff and peanut butter. Moisten your hands with water, and gently press the mixture into the pan creating an even layer. Press the remaining ½ cup of mini marshmallows into the top of the bars.
marshmallow fluff1 cupmini marshmallows (2 – 10 oz bags)20 oz½ cups mini marshmallows (divided - 2 cups for the rice krispie treat mixture and ½ cup for the top)2
7
Allow the rice krispie treats to set up in the pan for ⏱️ 1 hour before removing and cutting into squares.
Nutrition Facts
calories
519 kcal
fat Content
23 g
serving Size
1 bar
fiber Content
1 g
sugar Content
44 g
sodium Content
353 mg
protein Content
9 g
trans Fat Content
0.3 g
cholesterol Content
20 mg
carbohydrate Content
76 g
saturated Fat Content
8 g
unsaturated Fat Content
13 g
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