1 25.4-ounce bottle whiskey sour mix
2 quarts orange juice
8 12-ounce cans lemon-lime carbonated beverage
2 cups whiskey

Combine all ingredients. Divide mixture evenly into 2 gallon-size Ziploc, heavy-duty plastic bags. Freeze. Remove each bag from freezer 30 minutes before serving. Break into chunks in container of an electric blender; process until smooth. Serve immediately. Yield: 7 quarts or 3-1/2 quarts per bag.

From Southern Living magazine.