With an electric mixer, beat cream cheese until smooth and creamy, 2-3 minutes.
With the mixer running, stream in sugar.
Add eggs, one at a time, beating well after each addition.
Stir in lemon juice, lemon zest, and vanilla.
Pour into prepared crust.
Set in a larger pan.
Add boiling water to 1" up the side of the pan.
Bake for 45 minutes, until just set.
Remove from oven.
Allow to cool in water bath.
When cool, remove from water bath, dry pan, and refrigerate overnight.
When ready to unmold, place a cake circle on top of cheesecake.
Turn upside down.
Heat with a kitchen torch until crust releases.
Immediately invert onto a serving plate.