preheat the oven to 350
spray your pans with bakers joy or line with mini liners
Dust the bottom of each cup with some crushed nilla wafers
Beat the cream cheese and sugar until it's creamy and smooth.
Add the egg yolks and mix until JUST incorporated.
spoon batter into each cup. It isn't a ton, shake the pan a bit to help spread the batter JUST a bit.
Bake for 15 mins, and pull out.
While the cheesecakes are baking mix the sour cream, sugar and vanilla. Once you pull the cheesecakes out plop 1 tsp of the sour cream mixture on top of each cake.
Place back in the overn and cook for 5 more mins.
Pull out and let cool to room tempurature, then refridgerate overnight (at least)
Pop out of the pan and serve, adding a cherry for serving if you'd like (they are great plain as well!)