Beef with roast

2 slices hearty bread, such as ciabatta 2 tablespoons sun-dried tomato pesto 4 slices deli roast beef 1 jarred artichoke heart , coarsely chopped 1 slice[...]

2 tbs olive oil 6 lbs short ribs 1 tsp salt 3/4 tsp ground black pepper 1 large onion , finely chopped 1 medium carrot , finely chopped 1 celery rib, finely[...]