Combine cracker crumbs, melted butter, and ½ teaspoon sugar in a small bowl. Mix well. Divide between 4 small glasses or jars, press down. Refrigerate while making the filling.
Beat heavy cream until stiff peaks form. Remove from mixing bowl.
To same mixing bowl add cream cheese, 4 tablespoons sugar, and vanilla bean paste. Fold the whipped cream into the cheese mixture. Spoon filling over crusts and chill for 1–2 hours.
Top with whipped cream, berries, and mint sprigs. Dust well with powdered sugar.