01 -
In a medium bowl, combine pumpkin puree, brown sugar, cinnamon, pumpkin pie spice, ground ginger, ground cloves, and heavy cream. Stir until fully blended, then set aside.
02 -
In a large mixer bowl, place egg whites, cream of tartar, and granulated sugar. Set the bowl over a saucepan of gently simmering water or use a double boiler. Constantly whisk until the sugar is dissolved and the mixture reaches 160°F on a thermometer, about 4 to 6 minutes. Remove from heat.
03 -
Using the whisk attachment, beat the egg white mixture on low, increasing to high, until soft peaks form, about 5 to 7 minutes. Set aside.
04 -
In a separate bowl, mix softened cream cheese with vanilla extract until completely smooth.
05 -
In a microwave-safe bowl, heat mini marshmallows for 15 to 30 seconds, stirring until melted.
06 -
Stir melted marshmallows into the cream cheese mixture until incorporated. Gently fold in a small portion of whipped egg whites, then add the remaining whites, folding carefully until uniform. Chill the mousse for 1 hour.
07 -
Mix chopped gingersnaps and chopped graham crackers. Into each jar, layer 1 1/2 tablespoons crust mixture, 2 tablespoons pumpkin pie filling, and 2 tablespoons mousse. Repeat the layering sequence to create two layers of each.
08 -
Top each jar with caramel sauce, whipped cream, and a sprinkling of cookie crumbs, as desired. Refrigerate jars until ready to serve.