Homemade Sour Mix
You can buy sour mix at the store, but if you take a little time to make your own, you'll discover that this one has a bright and fresh taste that can't come out of a bottle. Plus you know it doesn't contain any artificial ingredients.
Makes 1.5 cups
1 cup sugar
1 cup combination of fresh lime juice and lemon juice
Add 1 cup water and the sugar to a non-reactive 2-quart pot and bring to a boil. Let cool slightly, then add the lemon-lime juice and stir. Let cool. then pour through a funnel into a sterilized bottle. Store in the refrigerator for up to one week.
From: The Bubbly Bar: Champagne & Sparkling Wine Cocktails for Every Occasion by Maria C. Hunt (Clarkson Potter, August 2009)