Dunkin Donuts Pumpkin Spice Latte Recipe. Once small bubbles form along the edges, remove from the heat. Heat the pumpkin puree and pumpkin pie spice in a small saucepan over medium heat, stirring constantly, for about 2 minutes.

2 remove the saucepan from the heat and whisk in the vanilla, pumpkin pie spice, and the coffee or espresso. Mix until the combined sauce is smooth and creamy.