Oven roasted turkey & provolone sandwich

Fully cooked turkey breast (turkey breast, turkey broth, less than 2% of salt, dextrose, carrageenan, sodium phosphate), multigrain bread (enriched wheat flour [malted barley flour, niacin, ascorbic acid, reduced iron, thiamine mononitrate, riboflavin, enzyme, folic acid], water, sunflower seeds, wheat bran, oat flakes, rye flakes, flaxseeds, corn flakes, sugar, salt, rye flour, soya grits, millet seeds, wheat gluten, yeast, blackstrap molasses, sesame seeds, wheat germ, malted barley flour, enzymes, vegetable oil [canola and/or soybean], ascorbic acid, dextrose, diacetyl tartaric acid esters of mono - and diglycerides, sea salt, calcium propionate (preservative), mono - and diglycerides, guar gum, corn syrup solids), provolone cheese (pasteurized milk, cheese culture, salt, enzymes), lettuce, red onion.