Melt butter in a large saucepan over low heat.
Add marshmallows and stir until melted and well combined. Cook 2 minutes longer, stirring constantly.
Remove from heat.
Stir in crispy rice cereal until well coated.
Press mixture evenly and firmly into a buttered 9x13-inch pan using a buttered spatula or waxed paper.
Cut into 2-inch squares when cool.
View the original recipe instructions:
View Full RecipePrep Time: 10 minutes
Cooking Time: 5 minutes
Total Time: 15 minutes
Servings: 24
Vegetarian: No
Vegan: No
Gluten Free: No
Dairy Free: No
Low FODMAP: No
Source: Recipe from URL