- 
1lb steak, cut in strips (any steak, but tenderized cube steak is recommended) 
- 
2 tsp minced garlic 
- 
1 tsp dried oregano 
- 
3 tsp olive oil, divided 
- 
1 medium onion, halved, thinly sliced 
- 
1/4 tsp salt 
- 
1/8 tsp pepper 
- 
4 pita breads, cut in half, warmed 
- 
2 small tomatoes, thinly sliced 
- 
1/2 small cucumber, cut into 1/8-inch half moons 
- 
Feta Cheese 
- 
1/2 cup prepared cucumber ranch dressing