01 - Place pumpkin purée, banana, milk, yogurt, maple syrup, cinnamon, nutmeg, cloves, vanilla extract, and ice cubes in a blender.
02 - Process on high speed until the mixture is smooth and creamy.
03 - Taste and modify sweetness or spices to preference.
04 - Transfer the blended smoothie evenly into two Jack-o'-Lantern glasses or clear glass tumblers.
05 - Top with whipped cream, a pinch of cinnamon, and crushed graham crackers or gingersnaps if desired.
06 - Serve immediately with festive straws.