Preheat oven to 350 degrees F.
Steep the tea bag in water for 5 minutes.
While the tea is steeping, whisk the coconut flour, sesame flour, sugar sub, cinnamon, baking powder, baking soda and salt together.
In a stand mixer, add the eggs, oil, maple extract and liquid stevia.
Squeeze out the tea bag and discard then pour the tea into the mixer.
Blend on high until combined then add in the dry ingredients and blend until incorporated.
Grease 2 donut pans and spread the batter evenly to make 8 donuts.
Bake for 15 minutes.
Cool slightly then remove from pan to finish cooling.
Mix the optional glaze together in a bowl and spread over each donut if desired.
Best if kept refrigerated.