01 - Bring 2 cups of water to a gentle boil in a kettle or small saucepan.
02 - Place peppermint leaves into a teapot or heatproof pitcher.
03 - Pour the hot water over the peppermint leaves, cover, and steep for 5 minutes.
04 - Strain the tea into cups using a fine mesh strainer.
05 - Add honey or agave syrup to taste, if desired, and garnish with lemon slices. Serve hot or chilled over ice.