Beef with mustard

1 cup bread cubes 1/2 cup milk 2 tablespoons butter or 2 tablespoons margarine 1 medium onion , chopped 1 -2 teaspoon salt 1/2 teaspoon pepper 2 teaspoons[...]

1/2 lb round steak 1/4 cup white flour 2 tsp dry mustard 1 tsp salt 1/4 tsp pepper 2 tbsps each of butter and oil 1 onion , finely chopped 2 carrots , peeled[...]