Guinness Ice Cream

Ingredients:

1 cup water
2 tablespoons cornstarch
1/2 cup sweetened condensed milk
1 1/2 cups evaporated milk
1/4 teaspoon salt
1/2 cup sugar
1/2 cup guinness stout

Directions: 

In a heavy saucepan whisk together the water and the cornstarch and simmer the mixture over moderate heat, whisking, for 2 minutes. Add the milks, the salt, and the sugar, heat the mixture over moderately low heat, whisking, for 1 to 2 minutes, or until the sugar is dissolved, and remove the pan from the heat.

Let the mixture cool completely, stir in the Guinness, and freeze the mixture in an ice cream maker according to the manufacturer's instructions.