Vegetarian Yakisoba Noodles

Sauce:

• ¼ cup soy sauce
• ¼ cup vegetable broth **You can also use chicken broth
• 1 tbsp brown sugar
• 2½ tsp cornstarch
• 2 tsp ginger paste
• 2 cloves of garlic, minced
• 2 tsp toasted sesame oil
• 1 tsp unseasoned rice vinegar
• sriracha, to taste

Other Ingredients:

• 8 oz yakisoba noodles, cooked per instructions in salted water
• 1½ tbsp vegetable oil
• 2 small bok choy, ends trimmed and sliced in half lengthwise
• ¼ bell pepper, sliced
• ½ cup broccoli florets
• 7 shiitake mushrooms, stems removed & sliced
• 2 small carrots, peeled & thinly cut on a diagonal
• A handful of snow peas, trimmed
• ¼ yellow onion, sliced
• Toasted sesame seeds, for serving, if desired
• Green onions, sliced, for serving, if desired