Beef Stew with scallions

2 tablespoons olive oil 2 lbs stewing beef , cut into 1 1/2 inch pieces 1 bunch scallion , sliced thin (about 1 cup) 3 large celery ribs , chopped fine 1[...]

1 liter vegetable stock or 1 liter chicken stock 450 g beef rump, washed and cut into slivers 3 garlic cloves , peeled and finely chopped 1 cinnamon stick 4[...]