01 - 
                In a mixing bowl, combine oats, milk, pumpkin purée, maple syrup, chia seeds, pumpkin pie spice, cinnamon, vanilla extract, and salt. Stir thoroughly until evenly mixed.
              
              
              
                02 - 
                Divide the mixture into two mason jars or sealable containers. Seal tightly and refrigerate for at least 4 hours or overnight.
              
              
              
                03 - 
                Melt butter in a small skillet over medium heat. Add crushed graham crackers and cook for 2 to 3 minutes, stirring frequently until golden and fragrant. Remove from heat.
              
              
              
                04 - 
                Sprinkle mini marshmallows evenly over the chilled oats. Using a kitchen torch, toast marshmallows until golden brown. Alternatively, broil in the oven for 30 to 60 seconds, watching carefully.
              
              
              
                05 - 
                Top toasted marshmallows with the graham cracker crumble. Serve immediately for optimal texture and flavor.