Rosemary Lemon Fizz

1 part vodka 1 tablespoon lemon rosemary syrup per serving 3 parts chilled soda water FOR SYRUP: 2 parts Original Lemonade 1 part sugar 1 tablespoon fresh lemon juice per serving 2 rosemary sprigs Bring lemonade, sugar, lemon juice, and rosemary to a boil in a saucepan, stirring until sugar dissolves. Reduce heat, simmer for 2 minutes. Cool, and discard rosemary sprigs. Fill glass halfway with ice. Add lemon rosemary syrup and vodka, then top off with soda water.