Add water to saucepan. Bring to boil. Reduce heat. Slowly add sugar and stir until dissolved. Add basil and peppercorns. Remove from heat after 1 minute. Steep for 30 minutes. Remove basil and peppercorns. Store in a jar, refrigerated, for up to 3 weeks.
Recipe courtesy of Amy Renee Sawyer, Bartender, The Garden Table, Mass Ave.