Steps
1. Heat the oil in a wok over medium-high heat.
2. Add the beef and cook, stirring occasionally, until it is mostly cooked.
3. Add the broccoli and mushrooms to the wok and cook until they are tender, about 5 minutes.
4. Add the tomatoes and diced avocado and cook for an additional 2 minutes.
5. Season to taste with garlic powder, salt, and pepper.
6. Serve hot.