01 - Line a 9-inch springform pan with parchment paper to prevent sticking.
02 - Combine crushed cookies, melted butter, and granulated sugar in a medium bowl. Mix until evenly moistened and crumbly.
03 - Press half of the crumble mixture firmly into the bottom of the prepared pan to create an even crust layer. Freeze for 10 minutes to set.
04 - Mix chopped strawberries with strawberry jam in a separate bowl until the fruit is evenly coated.
05 - Spread half of the softened vanilla ice cream evenly over the chilled crust using a spatula.
06 - Distribute the strawberry mixture evenly across the ice cream layer.
07 - Top with remaining ice cream, smoothing the surface with a spatula for an even finish.
08 - Sprinkle the remaining cookie crumble evenly over the top and gently press to adhere.
09 - Cover tightly with plastic wrap and freeze for at least 4 hours until completely firm.
10 - Whip heavy cream with powdered sugar and vanilla extract using an electric mixer until stiff peaks form.
11 - Release the cake from the springform pan, top with whipped cream, and garnish with additional strawberries if desired. Slice and serve immediately.