Put all ingredients in a blender, blend until smooth.
Churn in an ice cream maker according to manufactures specifications until a soft serve consistency (about 15 minutes in a KitchenAid ice cream maker).
Pour into an air-tight container, freeze until set, about 2 hours.
Notes
Since the beer isn't cooked, the alcohol is still alive and well, be careful who you serve this too, it's not appropriate for children.