Kool-Aid Slushy

1 envelope unsweetened Kool-Aid
1 cup granulated sugar
1 cup water
7 cups milk

Dissolve soft drink mix and sugar completely in water. Stir into milk in nonmetal pitcher. Serve at once or chill and stir before serving (or beat with rotary beater until blended and foamy, about 1 minute and serve at once). Top with scoops of vanilla ice cream, if desired.

Makes about 2 quarts or 8 servings.