Bring 4 cups of water to a boil in a saucepan over medium-high heat. Remove from heat.

Steep the tea bags for 5-6 minutes. Dunk the tea bags a few times in the water to fully hydrate. Remove the bags.

Add tea to a pitcher and add 3 more quarts of water to the tea base. This will make a gallon of unsweetened tea.

Add pitcher to the refrigerator until very cold or at least 3 to 4 hours

Add sliced peaches, mint and lemon juice. Let sit another hour.

Serve over ice with fresh mint.