Basic beef casserole

Ingredients (6 servings): 1 tablespoon olive oil 1kg beef chuck steak, cut into 3cm pieces 2 brown onions, coarsely chopped 2 celery sticks, coarsely chopped 1 carrot, peeled, coarsely chopped 2 garlic cloves, crushed 2 tablespoons plain flour 1 cup (250ml) dry red wine 2 cups (500ml) Campbell’s Real Stock Beef 1 x 400g can…