Bacon (pork, water, salt, smoke flavoring, sugar, sodium diacetate, dextrose, sodium erythorbate, sodium nitrite). sourdough bread (wheat flour, water, wheat gluten, salt, cultured unbleached wheat flour, calcium sulfate, sea salt, enzymes, ascorbic acid, yeast), mayonnaise [water, soybean oil, egg yolk, corn starch, distilled vinegar, contains less than 2% of: salt, egg white, xanthan gum, spice, lemon juice concentrate, di-alpha-tocopheryl acetate (vitamin e), natural flavor], lettuce, tomato.