Green Bean Stir Fry with Chicken & Sesame Seeds

green beans, ends trimmed

medium yellow onion, sliced

mushrooms, sliced

skinless, boneless chicken thighs cut into 1 inch pieces

stir fry sauce

sesame seeds

vegetable oil, divided

Cooked rice for serving (optional)

low sodium soy sauce

chicken broth

corn starch

honey

sesame seed oil

rice vinegar

inch piece of ginger, peeled and grated or finely minced

garlic cloves, grated or finely minced