Add whipped cream, caramel, crumbs, and a cookie right before serving.
Mix Crust: Stir crumbs with melted butter, brown sugar, and salt until it looks like wet sand.
Pack Layer: Press crust into the bottom of jars; chill while you make filling.
Beat Smooth: Beat cream cheese until completely smooth. Mix in cookie butter, powdered sugar, and vanilla.
Whip Cream: Whip cold heavy cream + powdered sugar to stiff peaks.
Fold Gently: Fold whipped cream into the cream cheese mixture until fluffy.
Fill Jars: Pipe or spoon filling over crust; smooth tops.
Chill Set: Cover and refrigerate at least 4 hours (overnight is best).
Top Serve: Add whipped cream, caramel, crumbs, and a cookie right before serving.