Print Pin Mackerel Fillet With Butter Mushroom 20 minutes minutes Calories 120kcal Ingredients2 mackerel fillets (skin on)1 tablespoon olive oil1 tablespoon butter6 white mushrooms (skin on)1/2 tablespoon chopped parsley InstructionsPreheat your oven to 400°F.Set the mackerel fillets with the skin s Originally posted 2019-02-20 17:57:11. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Article Categories: Cuisine