Gluten-Free Tuna, Tomato, and Olive Sandwich

Baked product 53% (water, corn starch, potato starch, tapioca starch, rice flour, brown rice flour, pea flour, buckwheat flour, EGG WHITE, tapioca starch, sunflower oil, yeast, salt, sugar, vegetable fibers (beet, inulin, and psyllium), glucose syrup, thickeners: xanthan gum, emulsifiers: mono- and diglycerides of fatty acids, hydroxypropyl methylcellulose, glycerol, preservative: sorbic acid), Natural TUNA 19% (SKIPJACK TUNA - Katsuwonus pelamis 96%, water, salt), Mayonnaise (sunflower oil, water, pasteurized EGGS 9%, wine vinegar, lemon juice, salt, sugar, thickener: xanthan gum; natural flavorings (contain MUSTARD); preservative: potassium sorbate), Partially dehydrated tomatoes 5% (tomatoes, glucose syrup, salt), Green olives 5% (olives, salt, acidity regulator: citric acid), MAY CONTAIN SHELLFISH, MILK AND MILK DERIVATIVES, CELERY, SESAME, SOY, NUTS, LUPINS