Chicken Pesto Artichoke Sandwich

Chicken (chicken breast, olive oil, salt, black pepper), Ciabatta Roll (unbleached wheat flour [wheat flour, malted barley flour], filtered water, sea salt, yeast, malted barley flour, farina, ascorbic acid), Artichoke Hearts (quartered artichokes, water, salt, citric & ascorbic acid), Roasted Tomatoes (tomatoes, canola oil, garlic, vinegar, salt, spices), Provolone (cultured pasteurized milk, salt, microbial enzymes), Pesto Sauce (extra virgin olive oil, basil, pine nuts, hard cheese [milk, salt, milk-clotting], water, lime juice, garlic, acidifier: ascorbic acid, salt, cayenne pepper), Baby Spinach.