Monkfish in Tomato Sauce

• 150g Monkfish (cut into medallions)
• 1 tin Chopped Tomatoes
• 1 Red Onion
• 1 tsp Harissa Spice Mix
• Knob of Butter

Thunly slice the onion and then in a little oil sauté until beginning to turn translucent. Add the tomatoes and harissa spice mix and simmer until the tomatoes have reduced by about a third.  Leave the tomatoes simmering and while they finish flash fry the monkfish for about a minute on either side.