01 -
Sprinkle 2 1/4 teaspoons gelatin over 3 tablespoons cold water in a small bowl. Let it stand for 5 minutes until swollen.
02 -
In a saucepan, combine heavy cream, milk, sugar, vanilla, and salt. Warm over medium heat until steaming and the sugar dissolves, about 4-5 minutes. Do not boil hard.
03 -
Remove the pan from the heat and whisk in the bloomed gelatin until fully dissolved. Divide among 6 small glasses or ramekins. Chill for 2 hours, or until the tops are mostly set.
04 -
Sprinkle 1 teaspoon gelatin over 2 tablespoons cold water. Let it stand for 5 minutes while you prepare the mango.
05 -
Blend mango, sugar, and lime juice until very smooth. Pour into a small saucepan and simmer gently for 3-4 minutes, stirring often.
06 -
Remove the mango puree from the heat and whisk in the bloomed gelatin until dissolved. Let it cool until barely warm, then spoon it over the chilled panna cotta layer.
07 -
Refrigerate for at least 2 more hours, or until fully set. Serve cold with diced mango and lime zest.