Season the cod with all the Salt and Sugar, place on a tray in the fridge for 20 mins.
Once 20 mins has passed wash the salt and sugar off, dry and get ready to pan sear
Heat a pan with a little olive oil, and place fish in pan and begin to sear
Sear for 3 mins on a mid-heat, turn over and add 50 g of dashi and 1 TBL butter, baste the fish for another 3 mins, finish with 2-3 drops of lemon juice and chopped herbs
Clean mussels
Chop vegetables into small dice, place in pan and start to sweat with a little olive oil , one a little softened add mussels, and wine , place lid on top and cook on full power for 3 mins until mussels open up.
Strain mussels off and let sit for 10 mins so all the juices come out.
Place in deep tray and add butter (chopped)
Place in a hot smoker for 40 mins and put the whole thing inside the oven to smoke
After smoked add lecithin and whizz up with hand blender
Place chopped celeriac into a vac bag with milk and butter, seal on full. Cook in water bath at 90c for 3 hrs or until completely cooked. Strain off liquid and add to thermos mix with all other ingredients and blend on full speed for 3-4 mins , keep scraping down the sides to make sure its blended well. Pass
Place in vac bag and vac together on full until compressed
Peel and brunoise celery, vac on full with pickling liquor and dill oil
Place fish in bowl on the left, pipe celeriac puree on the side, top fish with 1 tbl pickled celery and 6 slices of grapes , spoon whizzed up sauce around fish and top with celery hearts