Preheat oven to 325°F, prep pan with parchment.
Mix crust ingredients, press into pan, bake 10 mins.
Beat cream cheese until smooth, add sugar.
Add eggs one at a time, then sour cream + vanilla.
Fold in sprinkles, pour over crust, tap to release bubbles.
Bake 55–60 mins in water bath, center slightly jiggly.
Cool 1 hr in oven, then room temp, then chill 4 hrs+.
Top with whipped cream, sprinkles, slice + serve.