Cut top fourth off loaf of bread; carefully hollow out bottom, leaving a 1/2-in. shell. Cube removed bread; set aside.
In a microwave-safe bowl, combine cheese spread and cream cheese. Microwave, uncovered, on high for 2 minutes, stirring every 30 seconds. Stir in beer. Microwave, uncovered, 20 seconds longer. Stir in bacon.
Fill bread shell with cheese dip. Serve with reserved bread cubes.
This recipe was tested in a 1,100-watt microwave.