Preheat the oven to 400° F. Line a baking sheet with parchment. Spread the cashews out on the baking sheet and bake 5 minutes. Add the sriracha, 1 tablespoon soy sauce, 2 teaspoons honey, and the sesame seeds. Toss to combine. Bake another 5 minutes, until toasted.Meanwhile, cook the noodles according to package directions, drain. To make the sauce. In a jar, whisk together 1/2 cup soy sauce. 3 tablespoons honey, the rice vinegar, peanut butter, molasses, and a big pinch of black pepper. Heat the sesame oil in a large skillet over medium-high heat. Add the vegetables and stir-fry until softened, about 5 minutes. Stir in the ginger, cook another minute, then pour in the sauce and bring to a boil over medium-high heat. Stir in the noodles and chili garlic oil. Toss to combine, cooking another 3-5 minutes until the sauce coats the noodles. Serve the noodles topped with cashews and green onions.