Fill large pot with water
Add whole peach (with skin and pit - drop the whole thing in the pot)
Bring to a boil
Turn heat down so it is boiling but not bubbling over, and cook for about 30 minutes
Cut up peach, discarding pit, and return coarsely diced peach and skin to pot
Simmer another 10 minutes or until peach starts to fall apart
Add 4-6 tea bags of any light or white tea
Turn off burner and steep for 10 minutes
Remove tea bags & discard
In small batches, transfer liquid and solid bits of peach to blender or Nutri Bullet
Blend thoroughly, in batches, until well pureed
Pour into a 1-gallon container
Add 3 dropperfuls of plain stevia and enough water to fill up the gallon
Chill and serve over ice