Roughly chop the shallot
Mix that with milk, bay leaves, star anise, salt and pepper into a pot on low heat
Bring to a boil
As soon as it starts bubbling, take off the heat and let sit for 15 minutes
In another pot, melt butter over a low heat
Add flour to make a roux, making sure you keep sitting
Remove the solids out of your milk mixture
Add milk mixture into your roux
Stir until you make a white sauce
Add shery
Mix and turn down to lowest heat
Open oysters
Keep the shell the fresh is attached to plus the water inside
Line a baking sheet with coarse salt, creating a salt bed for each oyster
Place oysters on the sheet
Add crab meat shared over each oyster
Pour white sauce over oyster and crab
Grate cheese on top too plus aa dash of paprika
Place in a pre-heated oven at 180c (350f) for 15 minutes
Remove from oven and place under grill (broiler) until cheese is browned
Remove and serve!