Mix cracker crumbs, butter, and sugar together.
Press mixture into springform pan bottom firmly.
Chill crust for 30 minutes in refrigerator.
Beat cream cheese until smooth and fluffy.
Add powdered sugar gradually while mixing continuously.
Pour lemon juice and zest into mixture.
Whip heavy cream in separate bowl until stiff.
Fold whipped cream into cream cheese mixture gently.
Add strawberry puree and food coloring if desired.
Pour filling over prepared crust evenly.
Refrigerate cheesecake for minimum 4 hours.
Remove from pan and serve chilled immediately.