Preheat the oven to 325F
Add crushed pecan cookies with melted butter and granulated sugar and mix well.
Press cookie mixture into a 9inch spring form pan. Bake in preheated oven for 10 mins.
Turn the temperature of the oven up to 350F
Beat cream cheese and sugar together until smooth.
Add eggs, vanilla, salt, sour cream, and flour, to the cream cheese. Mix until fully combined.
Pour cheesecake batter into pan and place inside water bath.
Bake for 1 hour and 15 minutes. Carefully remove and allow to cool to room temp for one hour.
Cover with plastic wrap and chill in the fridge for at least 6 hours (or overnight)