For the sauce: In a small bowl, whisk together cornstarch, soy sauce, honey, sriracha, and sesame oil and set aside.
Prep, peel, and slice your vegetables ahead of time. The recipe cooks together really quickly so it's best to prep all your veggies and ingredients in advance.
Noodles: Follow the package boiling directions according to the chow mein noodles and rinse with cold water, set aside.
Chow mein: In a large wok, heat 1 tablespoon of oil on medium-high heat. Add in the ginger and garlic and cook quickly for 30 seconds, be careful not to burn. Add in the onion, carrots, celery, and bell pepper. Cook for 2-3 minutes, stirring often. Vegetables should still be crisp and al dente.
Add in the shiitake mushrooms and cabbage and cook for an additional 2-3 minutes, be careful not to overcook the vegetables.
Add in sauce mixture and noodles to the vegetables. Cook and stir mixture frequently for 1-2 minutes or until the sauce has thickened and is glossy.
Serve and top bowls with chopped green onions and sesame seeds if desired.