In a large pan, cook the lardons over medium-high heat until browned and crispy. Strain and remove to plate lined with paper towels, set aside.
Put pan back on the heat, add the butter, oil, and garlic. Cook until butter is completely melted and garlic is slightly browned. Add sprouts and salt, toss to coat with butter/oil.
Cook until sprouts are cooked through and slightly browned. Add the syrup and cook until syrup starts to caramelize the Brussels sprouts. Add the chilli oil and bacon back into the pan. Cook for 60 seconds, stirring constantly. Serve.
Keyword Bacon, Brussel Sprouts, Maple Syrup, Vegetables