This smoked bacon and onion tart is a savory and indulgent dish that is perfect for brunch or a light dinner. The tart features a buttery and flaky crust filled with a rich and creamy mixture of smoked bacon, caramelized onions, and cheese. The smoky flavor of the bacon pairs perfectly with the sweetness of the onions, creating a delicious balance of flavors. Serve this tart warm or at room temperature for a crowd-pleasing dish that is sure to impress.