In a large saucepan, combine peaches, sugar and lemon zest; add 2 cups water.

Bring to a light simmer.

Cover and continue to cook about 20 minutes, until peaches are soft.

Using a potato masher, mash peaches and continue simmering about 10 more minutes.

Strain through a mesh strainer discarding solids.

You should have 3 to 3½ cups peach syrup; set aside.

Bring 3 cups water to boil; add tea bags and remove from heat.

Allow tea bags to steep 10 to 15 minutes.

Add tea to a pitcher discarding tea bags.

Stir in peach syrup.

Add water, a cup at a time, until pitcher is full or Peach Iced Tea reaches your preferred strength and sweetness.

Add additional sugar, if desired.

Refrigerate.

When ready to serve, stir well, pour over ice and garnish with mint and fresh peach slices.