Arrange bacon slices on bottom and up sides of a lightly greased 9-inch pieplate, slightly overlapping slices.
Remove rind from Brie, and cut into cubes.
Stir together eggs, cubed Brie, mayonnaise, and next 3 ingredients in a bowl. Pour mixture into prepared pieplate.
Bake at 375° for 30 to 35 minutes or until a knife inserted in center comes out clean. Let quiche stand 5 minutes before serving. Garnish, if desired.