Clean, gut and fillet the haddock.
Place the kombu between the fillets and marinate for 3 hours.
Remove the kombu and vacuum seal the fillets together with 10 grams of butter.
Heat for 30 minutes at 44 ˚C in a bain-marie or combi steamer until done.
Peel the asparagus and thinly slice the asparagus lengthwise into strips using a mandoline slicer.
Heat them in butter until al dente.
For the sauce peel and finely chop the shallots.
Make a gastrique by boiling the white wine and the shallots.
Wait until it is reduced to half the original volume.
Pass the Gastrique through a fine sieve.
Add the fish stock and boil over high heat for 5 minutes.
Add the Debic Culinaire Original.
Cook the sauce until thickened, about 6 minutes.
Add the butter and cook untill desired consistency is achieved.
If you have the desired consistency mix it with the oysters.
Pass through a fine sieve.
Blanch the peas and double-shell them.
Heat them in butter and season with salt.