In a measuring glass, whisk together heavy whipping cream (2 cups, 480 g), powdered sugar (1/4 cup, 30 g), vanilla (1 tsp) and a pinch of salt. Whisk until sugar is well incorporated and there are minimal lumps (it's okay if there are a few).
Pour cream mixture into whipped cream dispenser and screw the lid in place. Make sure the gasket seal is also in place before screwing the lid on.
Put your NO2 charger into the charger holder with the pointed side facing out. Screw the charger holder onto the whipped cream dispenser. You will hear the canister fill with the gas.
Shake the whipped cream dispenser well for about 10 seconds. This helps the gas get evenly distributed inside of the canister.
