Signature caprese panini sandwich

Bread [enriched unbleached wheat flour (wheat flour, malted barley flour, ascorbic acid added as a dough conditioner, niacin, reduced iron, thiamin mononitrate, riboflavin, folic acid), water, yeast, sugar, salt, malted barley flour, oat fiber], mozzarella cheese (cultured pasteurized milk, enzymes, salt), roasted tomatoes (tomato, canola oil, garlic, extra virgin olive oil, vinegar, salt, spices), spinach, basil pesto [canola oil, basil, spinach, olive oil, parmesan cheese (pasteurized part-skim cow's milk, cheese culture, salt, enzymes), romano cheese made from cow's milk (pasteurized cow's milk, cheese culture, salt, enzymes), lemon juice concentrate, garlic puree, salt, white pepper].