Preheat the oven to 180C
Heat the oil in a medium size frying pan and gently fry the onions and peppers for 5 minutes until soft.
Add the balsamic vinegar and the sugar and then simmer for ten minutes until the mixture is soft and sticky
Squeeze out any excess moisture from the potatoes and mix together with the salt and pepper and the egg.
Remove the pepper mix from the frying pan and add give the pan a wipe.
Heat some more oil to a medium – high temperature and place half the potato mixture in the pan.
Spread the potato mixture evenly over half the pan and press down firmly so it is well packed into the bottom.
Spread the pepper mix and the cheese over the potato, leaving an inch around the edge.
Fry the potato for 5-7 minutes and then top with the remaining potato.
Place a plate over the potato (try and find one the same size as the potato circumference and carefully tip the potato onto it.
Slide the potato back into the pan so that you can cook the other side.
Fry the potato for another 5-7 minutes and then bake in the oven for 15 minutes to finish up the crisping
Wrap each fish steak separately in foil; topping with the butter, lemon sliced and a good twist of salt and pepper before you seal, and bake in the oven for around 15 minutes. The total time will depend on the size of the fillets so read pack guidelines if they come with them.
While the potato is cooking, whiz the broccoli in a blender until find and heat the milk and the broccoli in a saucepan and cook gently for 10 minutes.
Stir in the stock cube and the corn flour paste and continue to stir until the sauce has thickened.
Add the cream, season to taste and leave on a low temperature until ready to serve.
Once the potato and the fish have finished cooking, remove from the oven.
Slice up the potato into quarters serve up (1 or 2 quarters per person, depending on how much you can eat).
Carefully unwrap the fish and tip the excess juices into the broccoli sauce.
Lay the fish on top of the potato and then top with the sauce.
If you are left with excess sauce then this can be frozen and used in a pasta bake, stirred into mashed potato or served with another fish dish.