1In medium microwavable bowl, microwave cream cheese on High 30 to 60 seconds until softened. Add beer, sour cream, green onion, garlic powder and 1/4 teaspoon salt; stir until well blended. Season with pepper and additional salt, if desired. Cover tightly; refrigerate at least 20 minutes.
2Spread cream cheese on bagels; serve open-face with roast beef and red onion.