Beef with bacon

1 1/2 lbs shallots , halved lengthwise and peeled (about large 24) 3 tablespoons olive oil 6 cups beef stock (can use low sodium canned broth) 1 1/2 cups[...]

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[...]