2 cups coarse, fresh bread crumbs (from a French baguette)
2 tablespoons extra-virgin olive oil
1/2 cup finely sliced leek, white and pale green parts only
3 slices thick sliced bacon, finely diced, or 3 oz pancetta minced
1 tablespoon minced fresh garlic
1/2 cup grated Parmesan cheese
  zest of one lemon
1/2 cup chopped fresh garlic
  Salt and freshly ground pepper (to taste)
4 large artichokes
2 tablespoons butter, cut into small pieces