2 teaspoons lemon juice
1 3/4 teaspoons orange juice
1 pinch rosemary, divided
1 teaspoon lemon zest
1 teaspoon lemon-lime soda
Let water cool to room temperature. Stir lemon juice and orange juice into the lemon juice. Pour into three individual glasses and tuck them inside an ice cube tray.
Rub lemon zest on top and pour orange juice over. Garnish with rosemary, lemon, lemonade and lemon zest. Glaze each sparkling glass with lemon juice.