Beat cream cheese on low until smooth.
Beat in sugar, cornstarch and vanilla.
Add eggs, scraping down sides as needed.
Pour in cream and mix just until combined.
Stir in rainbow chips.
Pour over cooled crust.
Add a few more chips on the top.
Place in cheesecake moat or create a water bath.
Bake 50m-1 hour and then shut oven off leaving cheesecake in the oven for an additional 45 minutes.
Then crack door open for another 45 mins.
Let chill in fridge.