Note: The amounts for lime, passionfruit, guava, and cream needn’t be exact. Shoot for about a cup of liquid.
Beat 1/4 of the cream cheese with corn starch and 0.5 cup sugar
Add remaining cream cheese and sugar, mix
Add eggs, mix
Add liquids (cream, juice, puree), mix only until blended, do not overmix
Bake in water bath for 60 minutes at 350F
Topping
1 cup
guava puree
~0.5 oz
lime juice
1.5 tsp
gelatin
2 to 4 TBSP
sugar
Put 0.5 cup guava puree and lime juice into a bowl, sprinkle a packet of knox gelatin over it. Let sit for ~ 1 minute. Stir until gelatin is mostly dissolved.
Heat remaining 0.5 cup puree and sugar until boiling.
Combine hot and cold, and stir vigorously for a few minutes until homogenous texture.
once cool to about room temperature, pour on top of cheesecake (that is also around room temperature)
Chill the whole shebang for at least 2 hours.
Source:
This is a pretty legit mashup of a lot of sources.