Grease or spray a 9”x5” bread pan; set dish aside. (See note.)

Place rice cereal in a large bowl; set bowl aside.

Using a large saucepan, add butter, marshmallows, and spices. Place over low heat, stirring often, until mixture is completely melted and smooth.

Pour melted marshmallow mixture over cereal and stir until well-coated.

Stir in the mini-marshmallows.

Using a spatula or a piece of wax paper, press coated cereal evenly into prepared baking dish. Let cool completely before slicing.