12 oz semisweet chocolate, chopped
2 - 14 oz cans sweetened condensed milk
1 1/2 cups miniature marshmallows
Heat the milk and pour over chocolate; stir until melted. Stir in marshmallows. Pour into a parchment paper lined 8 inch square baking pan and refrigerate until firm, at least 12 hours. Cut into 36 squares.