Spaghetti Squash Chow Mein

Name: Spaghetti Squash Chow Mein
Ingredients: 6 Boneless Skinless Chicken Thighs; 1/2 tsp Garlic Powder; 1/2 tsp Onion Powder; 1/2 tsp Ground Ginger; 1/4 tsp Ground Mustard; Salt and Pepper (to taste); 1 tbsp Coconut Oil (divided); 1/4 cup Soy Sauce (or coconut aminos); 10-15 drops Liquid Stevia (or to taste (exclude this for whole 30)); 2 tsp Ginger (peeled and grated); 1/4 tsp White Pepper; 3 cloves Garlic (minced); 1/2 White Onion (minced); 3 stalks Celery (chopped); 2 cups Bagged Cole Slaw Mix; 1 Large Spaghetti Squash (about 5-6 cups) (cooked and seeds and skin removed)