Cook green beans in boiling water for 7-10 minutes. During last 3 minutes of cooking, add the noodles to the pot. Drain and set aside.

In a bowl combine hoisin sauce, lime juice, and Sriracha.

Add vegetable oil to pan and cook chicken over medium heat until cooked through. Add garlic and cook for 1 minute. Add sauce mixture to the pan, mix,  and continue to cook until sauce reaches desired consistency. Stir in the noodles and green beans and green onions. Garnish with sesame seeds and drizzle with more Sriracha to taste.