Crush graham crackers if food processor.
Add melted butter and sugar and pulse to incorporate.
Press mixture into bottom an partially up the sides of a springform pan.
Refrigerate at least 30 minutes to firm.
In a large bowl, beat cream cheese and sugar until creamy.
Whip heavy cream until stiff peaks form.
Fold cream cheese mixture into whipped cream.
Puree strawberries in food processor.
Fold strawberry puree into mixture until fully blended.
Spread evenly into crust.
Freeze for 2 hours.
Allow to thaw 30 minutes before serving.
Garnish with sliced strawberries and additional whipped topping if desired.