1/4 c. chocolate syrup
2 tbsp. milk
carbonated water
vanilla ice cream

For each serving, pour syrup and milk into a chilled 14-ounce or 16-ounce glass; mix well. Add chilled carbonated water to fill glass 3/4 full. Stir. Add 1 to 2 scoops vanilla ice cream. Fill to top with carbonated water.