In a small bowl, sprinkle the powdered gelatin over 3 tbsp cold water and let it bloom for 5–10 minutes. (If using gelatin sheets, soak them in cold water until soft, then squeeze out excess water.)
2 tsp powdered gelatin, 3 tbsp cold water
In a saucepan, combine the heavy cream, sugar, and a pinch of salt.
2 cups 500ml heavy cream, ¼ cup 50g sugar, A pinch of salt
Heat gently over medium-low heat, stirring, until the sugar dissolves and the mixture reaches 80–85 °C (176–185 °F). Do not boil.
Remove from heat. Add the bloomed gelatin and stir until completely dissolved.
Stir in the vanilla extract.
1 tsp vanilla extract
Pour the mixture into serving glasses or molds.
Let cool at room temperature, then refrigerate for at least 4 hours or until fully set.