Add 3-1/2 cups water to coffee grounds in 2-qt. pitcher; stir. Cover. Let stand at room temperature 12 hours.
Line fine-mesh strainer with coffee filter; place strainer over medium bowl. Pour coffee, in small batches, through filter; let stand until all the coffee is strained before adding next batch of coffee. Discard coffee grounds. Return strained coffee to pitcher. Stir in 2 cups of the remaining water.
Refrigerate 2 hours or until chilled.
Meanwhile, microwave remaining 1/2 cup water in medium microwaveable bowl on HIGH 1-1/2 min. or until water comes to boil. Add sugar, lemon zest and vanilla; stir until sugar is dissolved. Let stand 3 min.; strain sugar syrup into separate bowl. Discard strained solids. Refrigerate syrup until ready to use.
FOR EACH SERVING:
Mix 1-1/2 cups coffee and 3 Tbsp. sugar syrup until blended. Serve over ice in tall glass.
Calories From Fat
% Daily Value*
Total Fat 0g
Saturated Fat 0g
Trans Fat 0g
Total Carbohydrates 28g
Dietary Fiber less than 1g
* Percent Daily Values are based on a 2,000 calorie diet.
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.