Line a 13"x9" pan with non-stick foil and spray or grease thoroughly. Squares will be sticky!
non-stick spray
In a large wide pot (light colored is better) heat butter over medium-high heat, swirl continuously with a silicone spatula as the butter crackles and begins to turn brown in color and smell nutty. Keep swirling until small brown flecks form at the bottom, but be careful not to burn.
113 g unsalted butter
Reduce heat to low, stir in marshmallows and salt and continue to stir until marshmallows are fully melted, 3-5 minutes.
283 g marshmallows
Remove from the heat and stir in salt, vanilla, then rice cereal and stir until thoroughly mixed.
1 teaspoon salt, 1 teaspoon vanilla extract, 205 g Rice Krispies or any puffed rice cereal
Dollop spoonfuls of the marshmallow creme around the top of the mixture. Stir just a few times to swirl the creme through, but do not mix completely in.
60 g marshmallow creme
Transfer to the prepared baking sheet. Using the silicone spatula or greased fingers, pat evenly into the corners. Allow to cool at least 1 hour before slicing into 12 pieces.
Course: Dessert
Cuisine: American
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Notes
Store in an airtight container
Make gluten-free by using a gluten-free cereal brand
Disclaimer: We test all recipes using the metric weights shown, we cannot guarantee outcomes when switching to US measurements.