Here's the recipe for one drink, but it can be made in multiples of two, four, whatever.
Sweet Tea Sour1 1/2 ounces good quality bourbon
1/2 ounce Amaretto
Juice of 1/2 lemon
4 ounces sweetened (black) tea, or 4 ounces unsweetened tea and simple syrup, to taste
--Combine all ingredients in a small jar or cocktail shaker; shake well. Pour over ice in a tall glass and garnish with fruit of your choice.