Stir together milk, chai tea bags, pumpkin puree, dark brown sugar, and pumpkin pie spice in a saucepan.
Heat the mixture over medium-low heat for 5-6 minutes.
Discard the tea bags and add vanilla extract and stir well.
Froth the mixture using an electric frother, a handheld electric or manual frother, or a French press.
Pour into two cups and serve hot.
To make it with loose tea, brew the tea with milk for 2-3 minutes, strain it, and then mix it with other ingredients – pumpkin puree, dark brown sugar, and pumpkin pie spice. Cook it for another 3 to 4 minutes, add vanilla extract, and stir well. Froth the mixture, pour into cups, top with whipped cream, and serve immediately.You can also add some black pepper powder or crushed ginger root for a spicy kick.If you like stronger tea flavor, then double up the tea bags!