2 Tbsp avocado oil
2 Tbsp chopped fresh oregano
2 Tbsp chopped fresh thyme
4 cloves garlic, minced
½ tsp lemon zest
½ tsp salt
½ tsp pepper
2 lb flank steak
Combine oil, oregano, thyme, garlic, lemon zest, salt, and pepper in a small bowl. Rub mixture over steak.
Heat a grill pan or cast-iron skillet over medium-high heat; add steak. Cook 5 to 6 minutes per side or to desired doneness. Let stand 10 minutes before slicing thinly across the grain.