Cut all vegetables and set aside (keep garlic separate).
Slice chicken breasts in half long ways to fillet open. Thinly slice chicken into strips.
Cook noodles per instructions. Typically boil water, add noodles and cook for about 12 minutes for fettuccini and 5-6 minutes for lo mein. Drain, and rinse with cold water to stop cook. Set aside.
Meanwhile, combine all ingredients for the sauce (except for sesame oil) in a small saucepan. Heat stove to low-medium heat and cook for about 20 minutes or until a simmer (stirring occasionally). Turn off burner and add ½ teaspoon sesame oil, combine.
While sauce cooks, heat 1 tablespoon olive oil in a large skillet and heat to medium heat. Once hot, add chicken, season with sea salt and pepper, and sauté for about 5 minutes.
Add garlic to skillet and continue cooking for another 10 minutes or until cooked. Drain liquids as they build up. Set chicken aside but keep burner on.
In the same skillet add 1-2 tablespoon olive oil and all vegetables. Sauté for about 5-6 minutes covered. Add sauce and chicken and combine together to cook for another few minutes.
Option to mix noodles in with dish to serve or serve chicken and vegetables over noodles.