To make the marinade combine the first 8 ingredients.
Cut the boneless chicken breasts into 1/2 inch wide strips. Add to marinade. Cover and refrigerate.
Cook the noodles.
Drain chicken and stir fry in 1/4 of the marinade. Combine remaining marinade with cornstarch.
Stir in chicken and add remaining ingredients. Cook on high for about 5 minutes. Serve with cooked spinach noodles.