. "8 tablespoons unsalted butter, melted3/4 cup heavy cream1 cup sugar2 egg yolks, beaten lightly1/3 to 1/2 cup rum, to tasteIn a heavy, nonreactive saucepan combine all ingredients except the rum and cook over medium-low heat, whisking constantly, until the sauce is thickened and coats the back of a spoon." . . . .