How to Make It
Preheat oven to 375°F. Heat olive oil and unsalted butter in a large ovenproof skillet over medium-high. Add thinly sliced white onion and fingerling potatoes, halved lengthwise; cook 8 minutes. Add unsalted chicken stock, 3 oregano sprigs, and 2 thyme sprigs. Cover; bake for 10 minutes. Discard oregano and thyme. Sprinkle with chopped oregano, 1 tsp. chopped thyme, kosher salt, and black pepper.