Boil the simple syrup with the tea until the syrup gets thick. Then double strain and let it chill at room temperature.
Put all the ingredients together into a blender and blend it for 10 seconds.
Add this mixture to the siphon and shake.
Spray the mixture into the bowl liquid nitrogen and slowly cook until the foam gets the proper shape and soft to bite it. Make sure to use tongs to flip the donut so it cooks evenly