Step 1

Pour the cereal into a large mixing bowl and set aside.

Step 2

Over medium heat, add the butter to a large saucepan and melt.

Step 3

Add the large marshmallows to the pot and stir to combine with the butter. Continue to stir until the marshmallows have melted and are smooth.

Step 4

Add the mini marshmallows to the pot and stir until they melt but are still visible.

Step 5

Turn off the heat and stir in the vanilla bean paste.

Step 6

Pour the marshmallow mixture over the cereal and stir to combine.

Step 7

Pour the cereal mixture into a 13x9 inch baking dish coated with cooking spray. Press the mixture into an even layer with your hands coated in butter or cooking spray to prevent sticking.

Step 8

Allow the mixture to cool to room temperature.

Step 9

Cut the Krispie treats into squares and serve immediately or transfer to an airtight container and store at room temperature for up to 5 days.