Preheat oven to 325. Spray a 9 by 9 inch pan with bakers spray. Line pan with foil with ends extending over edges for easy removal after baking. Spray foil with bakers spray
Make crust
Crush Nilla wafer cookies to crumbs in a food processor
In a bowl mix crumbs with cocoa krispies and butter until moistened. Try not to crush the cocoa krispies to much
Press into prepared pan and freeze while preparing filling
MAKE cheesecake Filling
In a large bowl beat cream cheese until smooth
Add sugar, lemon zest, lemon juice, vanilla and salt and beat until smooth
Add eggs, one at a time and beat smooth
Stir in sour cream until well combined
Pour into prepared crust. Place blueberries on top of filling , they should sink somewhat but still be visable
Bake for 35 to 45 minutes utes until just slightly jiggly in center. Remove from oven and cool completely before refrigerating at least 4 hours until well set.
Remove cheesecake by running a thin knife around edges and pulling up foil to lift out of pan
Make Whipped Cream
Whip cream to soft peaks, add sugar and vanilla and beat until it hold it shape
Top chessecake with whipped cream.
Cut into bars. Top each bar with a fresh blueberry. Keep refrigerated until ready to serve
