Gather your ingredients so that you have everything close at hand on the counter or table. Using a sharp knife and cutting board, thinly slice the steak across the grain to make bite-size pieces.
Heat oil and butter in a large cast iron skillet. Sear prepared pieces of steak and sprinkle with kosher salt and freshly ground black pepper until pieces are lightly browned.
Add pinto beans (with juice) and bring beans to a boil.
Stir in the dried minced onion and dried parsley. Cover and simmer for 15-20 minutes until juice thickens. Serves 4
Notes
*Unless otherwise indicated, all butter on this recipe site is salted.