Ingredients: Center-cut Ahi tuna steaks, (1" thick), Olive oil, Kosher salt to taste, Freshly-ground black pepper, Minced garlic, Minced fresh ginger, Seeded and minced serrano, (or 1/4 teaspoon red chile, Minced lemon zest, Rice wine vinegar, Reduced-salt soy sauce, Chicken stock all fat, Sugar, Soba or somen noodles, Diagonally-sliced scallions, Wasabi Mousse see * Note, Chive Mixture see * Note, ...