Place sliced shallots in a single layer on a tray or plate.
Dust with corn starch on both sides and set aside.
Heat cooking oil in a skillet until hot then add shallots.
Shallots will become golden quickly, so keep an eye on them.
Toss the shallots around in the oil to make sure all sides are golden then remove with a slotted spoon and place onto a paper towel to allow the oil to drain away.
Once the oil has drained from the shallots transfer to a clean tray or plate and set aside.
You can heat your oven to make the stove warm, and place them on the stove, uncovered.
Discard cooking oil in skillet, then wipe your skillet clean and set aside.
Heat some salted water in a small saucepan.
When the water begins to bubble, add peas and cook for 4 mins.
Drain peans once cooked, then return pan to heat and add butter.
As butter begins to melt add drained peas and parsley.
Combine ingredients until warm, then transfer to a blender or food processor.
Blend once or twice then return to pan on a medium heat and add parmesan.
Combine ingredients until the parmesan has melted, then set aside and cover.
Heat 2 tbsp cooking oil in skillet on high then carefully place haddock into the oil.
Cook until golden on both sides (approx. 5 mins) then remove from skillet and set aside.