This recipe uses just three main ingredients to create a marshmallow-based caramel-like confection. Simply melt marshmallows, unsalted butter, and heavy cream in a frying pan, add salt, and simmer until thickened. Chill in the refrigerator until firm, and you'll have a melt-in-your-mouth sweet and salty caramel. Even beginners can easily try this recipe, and it's a delicious, melt-in-your-mouth treat perfect as a small gift for Valentine's Day or White Day.