Step 1

Spray a 9×9-inch pan with non-stick spray and line it with a foil or parchment paper sling.  Spray again.

Step 2

In a very large microwave-safe bowl, or in a pot on the stove over medium heat, place your butter, salt, and 8 cups of mini marshmallows. Microwave in 30-second increments, or heat, stirring in between, until everything is completely melted and smooth.

Step 3

Add vanilla and marshmallow fluff and stir again.

Step 4

Pour in the rice krispies and fruity pebbles cereal and mix well.

Step 5

Add in the remaining marshmallows while still warm and lightly press into your prepared pan. *