Fresh Tuna and Butter Lettuce Wraps with Yuzu Ponzu

Name: Fresh Tuna and Butter Lettuce Wraps with Yuzu Ponzu
Ingredients: 1/2 cup soy sauce; 1/4 cup sugar; 1 (1-inch) piece of fresh ginger, sliced 1/8 inch thick; Juice of 1 lemon; Juice of 1 orange; 6 tablespoons bottled yuzu ponzu sauce; 1/3 cup bottled yuzu juice or fresh lime juice; Vegetable oil, for frying; 1 small package mung bean noodles; Toasted sesame oil, for drizzling; Pinch of salt; 12 butter lettuce leaves; 9 ounces sushi-grade ahi tuna, cut into twelve 1/3-inch-thick slices; 12 paper-thin slices of jalapeño, soaked in ice water; Sriracha chili sauce, for garnishing