Chill The Dispenser: Start by chilling the whipped cream dispenser in the refrigerator for at least 15 minutes before use.
Combine Ingredients: In a mixing bowl, combine the heavy cream, powdered sugar, and vanilla extract. Mix delicately until the sugar is broken up.
Fill The Dispenser: Pour the cream mixture into the chilled dispenser.
Insert Cartridge: Securely attach the nitrous oxide cartridge to the dispenser.
Shake Well: Shake the dispenser vigorously for a few seconds to ensure the cream is well aerated.
Serve: Dispense the whipped cream onto your desired dessert or beverage.