Garlic Butter Steak and Potatoes Skillet

(650g) flank steak, sliced against the grain

baby yellow potatoes, quartered

olive oil

butter, divided

garlic cloves, minced

fresh thyme, chopped

teaspoon fresh rosemary, chopped

teaspoon fresh oregano, chopped

Salt and fresh cracked pepper

Crushed red chili pepper flakes, optional