Clean the mushrooms and bell peppers, then cut them into thin strips. Sauté chopped shallots until fragrant, then add the mushrooms and bell peppers. Stir-fry briefly with 1 teaspoon salt.

When the mushrooms and peppers are cooked, add the noodles and mix well. Add soy sauce to taste and toss everything together. Turn off the heat, then add chopped green onions and Vietnamese coriander.