Blend all ingredients in a blender till smooth. If you're working with a regular blender, maple syrup may blend up more easily than dates.
Adjust spices and ingredients to taste -- you may want to add more pumpkin, or (if you're me) more coffee :-)
Makes 3-4 servings. Recipe can be halved or doubled as needed. Leftover latte will keep in the fridge for up to three days.