In a pot of boiling salt water add a green crayfish and cook for 8 minutes of until flesh is firm (don't overcook)

In a saucepan melt butter and add flour, stir until crumbly

Add milk gradually continuously stirring, add grated cheese and minced garlic, turn off heat when desired consistency is reached.

Fry diced onion and garlic until clear, add in shredded crayfish meat and season to taste. Transfer into cheese sauce and pour into fray shell, bake under a hot grill for approximately 6 minutes or until golden, serve with lemon!