4 tablespoons sweet butter, diced
1/4 cup light brown sugar
1/4 cup light corn syrup
2/3 cup milk
Heat butter, sugar and syrup in a heavy saucepan over low heat, stirring, until the sugar has dissolved. Bring to a boil and boil until the temperature reaches about 240 degrees F. Cool slightly, then stir in the milk and let cool completely.
Serves 4 to 5.