Creating the Easy Mediterranean Steak Bowl is straightforward. Just follow these steps:

1. Prepare the Steak: Season the flank steak with salt, pepper, garlic powder, and dried oregano. Let it marinate for about 10 minutes.
2. Cook the Quinoa or Rice: If not already cooked, prepare the quinoa or brown rice according to package instructions. Set aside.
3. Grill or Sear the Steak: Heat a skillet or grill over medium-high heat. Cook the steak for about 4-5 minutes on each side for medium-rare. Adjust cooking time based on your preferred doneness.
4. Rest the Steak: Once cooked, let the steak rest for 5 minutes before slicing it thinly against the grain.
5. Prepare the Veggies: While the steak is resting, wash and chop the cherry tomatoes, cucumber, bell pepper, and red onion.
6. Make the Dressing: In a small bowl, whisk together olive oil, red wine vinegar, lemon juice, salt, and pepper.
7. Assemble the Bowl: In a large bowl, layer cooked quinoa or rice, followed by the baby spinach or mixed greens. Top with sliced steak, cherry tomatoes, cucumber, bell pepper, red onion, and crumbled feta cheese.
8. Add Dressing: Drizzle the dressing over the assembled ingredients and sprinkle with chopped parsley.
9. Toss to Combine: Gently toss the bowl to mix all the ingredients and flavors together.
10. Serve Immediately: Divide the Easy Mediterranean Steak Bowl into serving dishes and enjoy!

These steps will guide you to create a delicious and beautiful meal in no time.