Lightly grease a 9×13-inch baking dish or line it with parchment paper for easy removal.
Melt Butter and Marshmallows:
In a large saucepan, melt the butter over low heat.
Once the butter is melted, add the marshmallows. Stir continuously until the marshmallows are completely melted and the mixture is smooth.
If using, stir in the vanilla extract and a pinch of salt.
Combine with Cereal:
ADVERTISEMENT
