Braised Pork Shoulder with flour

4 lbs boneless pork shoulder , not tied 1/3 cup olive oil 4 large Spanish onions , diced 2 tablespoons unbleached all-purpose flour 3 cups white wine or 3[...]

1 cup onion , chunked 4 lbs pork shoulder 2 tablespoons flour 1 1/2 teaspoons kosher salt 1 teaspoon pepper 2 tablespoons butter 1 tablespoon garlic , minced[...]