In a small skillet, set over medium heat, add a teaspoon of vegetable oil. When the oil is hot, add the green onions, mushrooms, ginger and a pinch of salt. Cook until softened, about 2 to 3 minutes. Add to the bowl with the squash and add the green onions, sesame oil, Sriracha, white pepper and a pinch of salt. Mix it up and give it a taste. Adjust the salt according to taste; I ended up adding an additional few pinches of salt.