Blue-Sabi Sauce

Directions

1. 1
   Place the milk in a small saucepan and bring to a simmer over low heat.
2. 2
   Heat the butter in a medium saucepan over medium heat.
3. 3
   Add the onion and cook until soft.
4. 4
   Stir in the flour and cook for 1 minute.
5. 5
   Slowly whisk in the warm milk, and continue whisking until thickened.
6. 6
   Season with salt, cayenne pepper, Wasabi paste and the cheese.
7. 7
   Continue cooking for 5 minutes, whisking occasionally.
8. 8
   If the sauce is too thick, thin it with a little extra milk.
9. 9
   Pour mixture into food processor and blend until smooth.
10. 10
    Serve sauce warm.