Bring a large pot of water to a boil. Add in green beans, and cook for about 3 minutes. Drain and set aside.
Heat olive oil a large skillet over medium high heat. Add in green beans and garlic, and saute until beans are a bit char-marked and garlic is browned.
Stir in soy sauce and toasted sesame oil and cook until heated through, about 1-2 more minutes. Season with additional salt as desired.