Ahi Tuna With Vegetable Stir-Fry - cooking recipe

Ingredients

5 1/2 tablespoons sesame oil
4 cups green cabbage (about 8 ounces)
3 ounces fresh shiitake mushrooms, stemmed, caps sliced
1 baby bok choy, very thinly sliced (about 3 ounces)
1 large carrot, cut into matchstick-size strips (about 3 ounces)
4 green onions, thinly sliced
6 tablespoons oyster sauce
3 1/2 tablespoons reduced sodium soy sauce
3/4 cup chicken stock or 3/4 cup canned low sodium chicken broth
1/4 cup butter, 1/2 stick
3 tablespoons rice vinegar
36 ounces ahi tuna steaks, each about 3/4 inch thick
sesame seeds, black and white (optional)

Preparation

Heat 2 tablespoons oil in heavy large skillet over medium-high heat.
Add cabbage, mushrooms, bok choy, carrot and green onions and stir-fry until vegetables are crisp-tender, about 3 minutes.
Add 3 tablespoons oyster sauce and 3 tablespoons soy sauce; stir 1 minute to blend flavors.
Season to taste with salt and pepper.
Transfer vegetable mixture to medium bowl.
To same skillet (do not clean) add the broth, 1/2 tablespoon oil, remaining 3 tablespoons oyster sauce, remaining 1/2 tablespoon soy sauce, butter and vinegar.
Boil until sauce thickens, whisking occasionally, about 3 minutes.
Season with salt and pepper.
Keep warm.
Sprinkle tuna with salt and pepper.
Heat remaining 3 tablespoons oil in another large skillet over high heat.
Add 3 tuna steaks and cook to desired doneness, about 2 minutes per side for medium-rare.
Transfer to small baking sheet.
Repeat with remaining tuna.
Divide vegetables among 6 plates.
Top with tuna.
Ladle sauce around tuna.
Sprinkle with sesame seeds, if desired.