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No-Bake Lemon Cheesecake Rice Krispie Treats

No-bake lemon cheesecake Rice Krispie treats with thick, chewy lemon Krispie bars and a creamy white lemon cheesecake layer. Finished with a zigzag drizzle of white chocolate and lemon zest for bright, dessert-bar flavor in every bite.
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Prep Time 20 minutes
Cook Time 5 minutes
chilling 1 hour
Total Time 1 hour 25 minutes
Servings: 16 servings
Course: Dessert
Cuisine: American
Calories: 260
Ingredients Equipment Method Notes

Ingredients
  

For the Krispie base
  • 0.5 lb butter Unsalted, for melting.
  • 1 can (10 oz) mini marshmallows 10 oz bag.
  • 1 tbsp lemon zest Fresh zest, for the base.
  • 6 cup Rice Krispies cereal Rice cereal.
For the lemon cheesecake layer
  • 8 oz cream cheese Softened to room temperature.
  • 1 cup powdered sugar
  • 2 tbsp fresh lemon juice Fresh-squeezed.
  • 1 tbsp lemon zest Fresh zest, for the cheesecake layer.
  • 1 tsp vanilla extract
  • 1 cup whipped topping Folded in for a lighter layer.
For the topping
  • 0.5 cup white chocolate chips Melted for drizzling.
  • 1 extra lemon zest for garnish For scattering on top.

Equipment

  • 1 sheet pan
  • 1 Dutch oven

Method
 

Prep the pan
  1. Line a 9x13 pan with parchment paper and spray lightly to help the bars release cleanly.
Make the lemon Krispie base
  1. Melt butter in a large pot over medium-low heat, stirring until smooth and fully melted with a glossy look.
  2. Add mini marshmallows and stir continuously until fully melted, about 5 minutes, until the mixture turns thick and cohesive.
  3. Remove from heat and stir in lemon zest so it disperses evenly throughout the marshmallow mixture.
  4. Fold in Rice Krispies cereal until fully coated, then press firmly into the prepared pan to form an even, dense layer.
  5. Let the base cool completely before adding the cheesecake layer so the top doesn’t slide.
Mix the lemon cheesecake layer
  1. Beat cream cheese, powdered sugar, lemon juice, lemon zest, and vanilla until smooth, scraping the sides until no lumps remain.
  2. Fold in whipped topping until the mixture looks thick, creamy, and uniform in color.
  3. Spread the lemon cheesecake layer evenly over the cooled Krispie base with an offset spatula-like smooth top.
Finish and chill
  1. Drizzle melted white chocolate in a zigzag pattern over the top so the drizzle catches the light in thin ribbons.
  2. Scatter extra lemon zest over the surface for a bright finish.
  3. Refrigerate for 1 hour before cutting into 16 bars so the cheesecake layer sets firmly.

Notes

Pro tip: press the cereal layer firmly and evenly—this is what gives you thick, chewy bars instead of a loose base. Store covered in the refrigerator up to 4 days; freezing is not recommended for the best texture. For a lighter option, use a whipped-topping style product labeled lighter or reduced-fat (results vary but still set well).