Ingredients Smoked haddock (1pound), butter (2ounces), all purpose flour (1ounce), English mustard (1tsp), sliced mushrooms (6ounces), milk (15fluid ounces), fresh lemon juice (1tbsp), hard boiled eggs, roughly chopped (3), grated cheddar cheese (2ounces), milk (4tbsp), melted butter (1ounce), cooked and mashed potatoes (1-1/4pounds), salt and pepper, finely chopped fresh parsley (2tbsp). Method of preparation:- First heat the oven to 375 degrees F. Take ...