3/4 cup frozen raspberries*
3 1/2 (12-oz.) bottles beer, chilled
1 (12-oz.) container frozen raspberry lemonade concentrate, thawed
1/2 cup vodka
Garnish: lemon and lime slices
Stir together first 4 ingredients. Serve over ice. Garnish, if desired.
*Fresh raspberries may be substituted.
Note: To make ahead, stir together lemonade concentrate and vodka in a large container. Chill up to 3 days. Stir in raspberries and beer just before serving. Garnish, if desired.