Sprinkle pork with salt and pepper. Toss with flour to coat lightly; shake off excess., In a large skillet, heat oil and butter over medium heat. Add pork; cook until tender, 1-2 minutes on each side. Remove from pan; keep warm., In same pan, add broth, garlic and rosemary; bring to a boil, stirring to loosen browned bits from pan. Cook until liquid is reduced by a third, 2-3 minutes. Stir in peas; cook until heated through, 2-3 minutes longer. Serve with pork.