Method
Add marshmallow fluff to the inside of your serving glass or mug.
In a saucepan or milk frother, heat 1 cup of milk until warm but not boiling. Stir in the pumpkin spice syrup.
Brew a shot of espresso and pour it into the prepared glass.
Pour the warm pumpkin-spiced milk over the espresso.
Froth ½ cup milk with 1 tbsp pumpkin spice syrup until foamy, then spoon the foam on top of the latte.
Pumpkin Spice Syrup
In a saucepan, combine water and sugar. Heat over medium, stirring until sugar dissolves.
Add pumpkin purée, cinnamon, ginger, nutmeg, and cloves. Simmer for 5–7 minutes, stirring occasionally.
Remove from heat and let cool slightly.
Transfer to a jar or bottle and store in the refrigerator for up to two weeks. Shake before using.