01 - 
                In a bowl, mix pumpkin puree, brown sugar, cinnamon, nutmeg, and ginger until well combined.
              
              
              
                02 - 
                In another bowl, beat mascarpone cheese, heavy cream, and vanilla extract until smooth and fluffy.
              
              
              
                03 - 
                Gently fold the pumpkin mixture into the mascarpone mixture.
              
              
              
                04 - 
                In a shallow dish, combine cooled espresso and coffee liqueur (if using).
              
              
              
                05 - 
                Dip each ladyfinger quickly into the coffee mixture and arrange in a single layer in a serving dish.
              
              
              
                06 - 
                Spread half of the pumpkin-mascarpone mixture over the ladyfingers.
              
              
              
                07 - 
                Add another layer of dipped ladyfingers and top with the remaining pumpkin mixture.
              
              
              
                08 - 
                Cover and refrigerate for at least 4 hours or overnight.
              
              
              
                09 - 
                Before serving, dust with cocoa powder for a finishing touch.