Sesame-Shiitake Green Beans

1 lb. green beans, washed, trimmed, and halved
1 Tbsp. vegetable oil
1/4 onion, thinly sliced
5 shiitake mushrooms, thinly sliced
1/2 tsp. sesame oil
1/2 tsp. crushed red pepper flakes
1 Tbsp. toasted sesame seeds
Salt and pepper, to taste

• Steam the green beans for 2 to 3 minutes, or until just tender. Set aside.
• In a large skillet or frying pan, add the vegetable oil and bring to medium-high heat. Add the onion and cook for about 2 minutes. Add the mushrooms and cook for an additional minute.
• Add the green beans, sesame oil, red pepper, and sesame seeds, then toss to coat.
• Season with salt and pepper.