Cajuzinho (from caju, "cashew", literally, "little cashew")
1 can sweetened condensed milk
One tablespoon unsalted butter
1 cup skinless peanuts roasted and ground (you can use cashew as well)
Granulated sugar for rolling
Place in a deep saucepan the condensed milk, butter and peanuts
Cook over medium heat while stirring constantly with a wooden spoon
Cook until obtain a smooth, sticky texture (takes about 10 minutes)
Place in a container and let it cool well.
Grease hands with butter and make small balls.
Involving the small balls in balls granulated sugar and place on paper molds (small cup cakes molds)