Stir-Fried Beef Gyros In Pita Pockets

Ingredients

• 1 pound beef Round Tip Steaks, cut 1/8 to 1/4 inch thick
• 2 teaspoons minced garlic
• 1 teaspoon dried oregano
• 3 teaspoons olive oil, divided
• 1 medium onion, halved, thinly sliced
• 1/4 teaspoon salt
• 1/8 teaspoon pepper
• 4 pita breads, cut in half, warmed
• 2 small tomatoes, thinly sliced
• 1/2 small cucumber, cut into 1/8-inch half moons
• 1/2 cup prepared cucumber ranch dressing