01 - Pour the filtered water into a large pitcher and add 2–3 drops of food-grade peppermint essential oil. Stir thoroughly to blend.
02 - Taste the infusion and add an additional drop if a stronger peppermint essence is preferred, exercising caution due to its potency.
03 - Refrigerate the mixture for a minimum of 30 minutes to allow flavors to meld.
04 - Serve the infused water over ice, optionally garnished with fresh mint leaves and lemon slices.