Follow these simple steps to create your incredible Asian Beef with Mushrooms & Snow Peas:

1. Prepare the Beef: In a bowl, marinate the thinly sliced beef with soy sauce, oyster sauce, and cornstarch. Let it sit for about 10 minutes.
2. Heat the Pan: In a large skillet or wok, heat the vegetable oil over medium-high heat.
3. Cook the Beef: Add the marinated beef to the pan in a single layer. Sear for about 2-3 minutes until browned. Remove and set aside.
4. Sauté Aromatics: In the same pan, add minced garlic and ginger. Sauté for about 30 seconds until fragrant.
5. Add Mushrooms: Toss in the sliced mushrooms and cook for another 2-3 minutes until tender.
6. Incorporate Snow Peas: Add the snow peas to the pan and cook for an additional 2 minutes, stirring frequently.
7. Return Beef to the Pan: Add the cooked beef back into the skillet and mix well with the vegetables.
8. Add Sesame Oil: Drizzle sesame oil over the mixture, stirring to combine. Season with salt and pepper to taste.
9. Serve Immediately: Once everything is well-coated and heated through, remove from heat.
10. Garnish: Top with chopped green onions for a fresh finish.

These steps will guide you in creating this delicious and vibrant dish effortlessly.