In a heavy pot, cook 1 1/2 sticks of butter, one 5 ounce can of evaporated milk, and 3 cups of sugar over medium high heat, stirring constantly. Cook until it reaches softball stage.
Remove from heat and quickly stir in a 7 ounce jar of marshmallow cream, a 15 ounce jar of nutella, and about 2/3 c of chopped semisweet chocolate. Stir until all is combined and pour into a lightly greased (or foil lined) 9×13 baking dish. Allow it to cool completely then cut into small squares.
Makes a great holiday gift!