Pour 1 ½ cups of the whipping cream into the bowl of an electric mixer. Beat on medium-high speed until the cream starts to get bubbly. Slowly add the powdered sugar and continue beating on high speed until stiff peaks form. Set aside.
In another bowl, beat the cream cheese on medium-high speed for 2 to 3 minutes until it’s light and fluffy (you can use a stand mixer or a hand mixer). Slowly add the sugar into the cream cheese with the mixer going. Next add the remaining 2 tablespoons of heavy whipping cream and the vanilla. Continue beating the filling until smooth and creamy. Fold in the mini-chocolate chips. Fold the whipped cream into the cheesecake mixture.
Pour the filling into the prepared crust and smooth the top with a spatula. Before you place cheesecake in the freezer, run a flat-edge knife around the edge to help release it slightly from the edges of the pan. Cover with foil and refrigerate 4 to 6 hours (the longer the better.)