Beat together cream cheese, white sugar, and vanilla in a large bowl until smooth. Stir in the mashed strawberries until well combined
Beat heavy cream and powdered sugar in a bowl until stiff peaks form. Fold whipped cream into cream cheese mixture until evenly mixed. Fold in the fresh sliced strawberries
Spoon strawberry mixture into graham cracker crust. Place in refrigerator to chill for 3 hours. Top with extra sliced strawberries, optional. Serve and enjoy as a dessert or a snack!