In a saucepan, sauté the onions in oil until caramelized and golden brown. Season the onions with salt and pepper. Cook the bacon in a separate pan until it’s crispy. Put the Brussels sprouts ...

To a large (12-inch) cast-iron or other heavy-bottomed skillet over medium heat, add the bacon. Cook, stirring frequently, until the bacon pieces are golden brown and crispy, about 10 minutes.

Dip the streaky bacon in pale soft brown sugar so both sides are coated ... When it foams add the sprouts, toss to coat, add the chicken stock, cover and allow to cook for 4-5 minutes tossing ...