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Salted Brown Butter Rice Krispie Squares

Chewy-crispy Rice Krispie squares made with nutty brown butter, extra marshmallows, and flaky salt—an easy no-bake dessert bar.
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Prep Time 10 minutes
Cook Time 5 minutes
Total Time 15 minutes
Servings: 16 servings
Course: Desserts
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

Rice Krispie Squares
  • 6 tbsp unsalted butter
  • 10 oz mini marshmallows divided
  • 1 tsp vanilla extract
  • 1/4 tsp fine salt plus flaky salt for topping
  • 6 cup Rice Krispies cereal

Equipment

  • Large pot
  • Spatula
  • 8x8-inch pan

Method
 

  1. Line an 8x8-inch pan with parchment paper and lightly grease it.
  2. In a large pot over medium heat, cook butter until it turns golden and smells nutty (brown butter). Remove from heat.
  3. Add about 8 oz marshmallows and stir until fully melted and smooth.
  4. Stir in vanilla and fine salt, then add cereal and fold until evenly coated.
  5. Fold in remaining marshmallows. Transfer to pan and press in gently (do not pack tightly).
  6. Sprinkle with flaky salt. Cool 20–30 minutes, then slice into squares.

Notes

Tip: Press the mixture into the pan lightly—packing it down makes the bars dense instead of soft and chewy.