Preheat oven to 375°F (190°C)
Line a baking sheet with foil and place a wire rack on top
Arrange bacon strips in a single layer on the rack
Mix brown sugar with a little black pepper or cayenne if desired
Sprinkle or press the sugar mixture onto both sides of the bacon
Bake for 20 to 30 minutes, until crisp and caramelized
Flip once halfway through if needed
Remove and let cool on the rack before serving