Amount
Ingredient
Preparation



4
each
tuna fish

fillets, yellowfin



1/4
cup
sesame seeds

black



1/4
cup
sesame seeds

white



1/4
cup
vegetable oil

divided



2
teaspoons
sesame oil





2
tablespoons
wasabi powder





2
tablespoons
heavy cream





1
cup
beurre blanc





1/8
pound
butter

unsalted



4
ounces
mushrooms

shiitake

 Mix sesame seeds and dredge tuna steaks until heavily crusted.  Shake excess.  Saute mushrooms in 2 tb vegetable oil with some salt and pepper.  In another hot skillet add 2 tb vegetable and sesame oil, sear fish on both sides until medium rare to rare.  Mix cream and wasabi; whisk in beurre blanc.  Serve tuna with mushrooms and sauce