Vanilla Chai Pumpkin Latte Cupcakes with Cinnamon Brown Sugar Frosting…autumn in a sweet cupcake, and so good. Extra pumpkiny, chai-spiced pumpkin cake cupcakes made with warming spices and brown sugar. Each cake is generously frosted with the most delicious creamy cinnamon brown sugar frosting and finished off with a sprinkling of chai sugar. So much to love here! You can’t beat these cute little latte cupcakes.