01 - Beat the softened cream cheese in a medium mixing bowl using a hand mixer until smooth and fluffy.
02 - Add the powdered erythritol and vanilla extract. Beat until fully incorporated into the mixture.
03 - Gradually pour in the heavy whipping cream while continuing to beat until the mixture becomes light, airy, and holds soft peaks. Mix in lemon zest if using.
04 - Distribute the cheesecake fluff evenly into four serving glasses or bowls.
05 - Top with fresh berries and chopped nuts if desired. Serve immediately or refrigerate for up to 2 days for a colder, firmer texture.