Wash and cut all vegetables to desired size. Set aside.

Preheat pan with 2 tbsp of olive oil on med-high heat. Season both sides of the beef with seasonings to taste. Cook beef until both sides have a good sear. Remove from pan and slice beef to desired length. Set aside.

Lower to low-med heat. In the same pan add onions and cook for 1-2 minutes. Add remaining garlic, cook until fragrant. Add remaining vegetables, cook 2-3 minutes.