Beef Gyros in Pita

I found this on another website. I love Gyros and I have not tried this, but it looks simple and good!

• Ready In: 20 mins
• Serves: 4

Ingredients

• 1  lb beef round tip steak, cut paper thin
• 2  cloves garlic, minced
• 1  teaspoon dried oregano
• 3  teaspoons olive oil
•  crumbled feta cheese
•  salt and pepper
• 4  pita breads, cut in half,warmed
• 2  small plum tomatoes, thinly sliced
•  very thinly sliced red onion
• 1⁄2 cup  prepared cucumber  ranch dressing

Directions

1. Stack beef steaks; cut lengthwise in half, then crosswise into 1-inch wide strips.
2. Toss with garlic and oregano.
3. Heat 2 teaspoons oil in large nonstick skillet over medium-high heat until hot.
4. Add 1/2 of beef; stir-fry 1 minute or until outside surface of beef is no longer pink.
5. (Do not overcook.) Remove.
6. Repeat with remaining beef.
7. Return beef to skillet; heat through.
8. Season with salt and pepper.
9. Serve in pita pockets with tomatoes,onions, Feta cheese, and dressing.