GETTING READY:

1. Into a heatproof 4 quart or larger container; mix together sugar, citric acid, the zest of 4 oranges, and 2 quarts boiling water.

2. Mix thoroughly to dissolve all of the sugar.

3. Allow it to cool to room temperature.

MAKING:

4. Juice the oranges and lemons.

5. Mix the juice and the sugar water, and allow to stand for at least 24 hours before use.

6. Keep in a cool place.

SERVING:

7. Mix 1 part orange ade with 3 parts water or club soda and serve.

NOTES:

Between the oranges and lemons, you'll get about 750 mL of juice.