Browned Butter Rice Krispies Treats

"These are the best Rice Krispies Treats I've ever had, thanks in large part to the butter. It's both browned and the quantity compared to most other recipes is doubled. Between the nutty and aromatic browned butter, the melted sweet marshmallows, and using less cereal most recipes, these Treats are the most gooey, buttery, flavorful, and richest I've ever had. They're hits with both kids and adults, and If the classic favorite cereal bar could be improved upon, this is how. Vegan and gluten-free options included...."