Heat the oil in a pan. Toss in the broccoli, chopped into florets, and sauté until golden.
Soften the broccoli with butter and then pour over the maple syrup and a tablespoon of vinegar. Add the garlic and chili and season to taste with salt and pepper.
Heat the oil in a pan and place the Arctic char skin side down. Fry on a high heat until the skin is crisp and crackles to the touch.
Turn down the heat and briefly seal the other side of the char. Serve on a bed of broccoli.