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Rice Krispie Treat Cheesecake slices on a plate with colorful sprinkles
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Rice Krispie Treat Cheesecake

Creamy, crunchy, and utterly irresistible — this Rice Krispie Treat Cheesecake combines the nostalgic chew of Rice Krispies with a silky cheesecake center for a dessert that truly has it all.
Prep Time20 minutes
Cook Time50 minutes
Total Time1 hour 10 minutes
Course: Dessert
Cuisine: American
Keyword: Cheesecake, Easy
Servings: 8 servings

Equipment

  • 9-inch springform pan
  • Medium Saucepan
  • Mixing Bowl
  • Spatula
  • Offset Spatula

Ingredients

Crust Ingredients

  • 3 cups Rice Krispies cereal Measured and ready
  • 1/4 cup Unsalted butter Cut into pieces

Filling Ingredients

  • 1/3 cup Marshmallow fluff Room temperature
  • 16 oz Cream cheese Softened to room temperature
  • 1/2 cup Granulated sugar Measured
  • 1 teaspoon Vanilla extract
  • 2 large Eggs Room temperature
  • 1/2 cup Sour cream At room temperature

Topping Ingredients

  • 1 cup Mini marshmallows For topping
  • 1/2 cup Rice Krispies cereal Reserved for topping
  • 1/4 cup Melted chocolate For drizzling (melted until smooth)

Instructions

  • Prep the crust: Grease a 9-inch springform pan. In a medium saucepan over low heat, add the unsalted butter and allow it to melt slowly. Stir frequently so it doesn’t brown.
  • Add marshmallow fluff to the melted butter and stir continuously until the mixture is smooth and evenly combined. Remove the pan from heat as soon as it’s smooth.
  • Mix in the Rice Krispies cereal, folding gently until every piece is well-coated in the marshmallow-butter mixture.
  • Firmly press the coated Rice Krispies into the bottom of the prepared 9-inch springform pan to form an even crust layer. Use the back of a measuring cup for a compact finish. Set aside to cool slightly.
  • Make the cheesecake filling: In a large bowl, beat the softened cream cheese until creamy and free of lumps. Add the granulated sugar and vanilla extract and continue to beat until smooth.
  • Add the eggs one at a time, beating on low speed and ensuring each is incorporated before adding the next. Do not overmix — stop when the filling is smooth.
  • Gently fold in the sour cream with a spatula until just combined. This keeps the filling silky and prevents overbeating.
  • Pour the cheesecake filling over the prepared Rice Krispies crust, smoothing the top with an offset spatula to create an even layer.
  • Bake: Preheat your oven to 325°F (165°C). Place the springform pan on a middle rack and bake for 45–50 minutes, or until the edges are set and the center is slightly jiggly but not liquid.
  • Turn off the oven and crack the oven door open. Let the cheesecake cool in the oven for about one hour to minimize cracking.
  • Add toppings: Once cooled to room temperature, sprinkle mini marshmallows and the extra 1/2 cup Rice Krispies over the top. Drizzle with the 1/4 cup melted chocolate in a decorative pattern.
  • Chill: Refrigerate the cheesecake for at least 4 hours or ideally overnight to allow it to set fully before serving.

Notes

Store the cheesecake covered in the refrigerator for up to 4 days. You can freeze the cheesecake (without the crispy topping) for up to 1 month.