Chicken Stir Fry Noodles

Ingredients
For the stir fry:

2 pounds boneless skinless chicken thighs, cut into 1-inch pieces
2 (6-ounce) Chow Mein noodles
¼ cup vegetable oil
1 tablespoon ginger, finely diced or grated
2 cloves garlic, minced
1 head broccoli, stems and florets chopped
2 tablespoons soy sauce, to taste
Freshly ground black pepper

For the marinade:

1 teaspoon soy sauce
1 teaspoon sugar
1 tablespoon corn starch
½ teaspoon baking soda
½ teaspoon salt
¼ water
2 cloves garlic, minced