For making the panna Cotta, coat 4 5-oz ramekins with oil. Pour 1/4 cup of cream into a small heatproof bowl, sprinkle gelitan over it and let stand till softened. Place bowl in larger bowl with hot water untill gelitan is dissolved.
in a saucepan over medium heat heat the remaining 1 1/4 cups of cream, marscapone, sugar and salt. As soon as it come to a boil remove from the heat. Add the chocolate, wisk untill smooth. Add the gelatin mixture to the chocolate mixture and stir. Divide mixture among ramekins and cool.