Tuna salad croissant sandwich

Tuna salad (albacore tuna in brine with vegetable broth [albacore tuna, water, vegetable broth {pea and carrot extract}, and salt], seasoned mayonnaise base [mayonnaise {soybean oil, <span class="allergen">eggs</span> and <span class="allergen">egg yolks</span>, water, distilled vinegar, sugar, salt, lemon juice concentrate, natural flavors}, salt, spices], <span class="allergen">celery</span>, red onion, lemon juice, salt, black pepper, white pepper), butter croissant (enriched flour [<span class="allergen">wheat flour</span>, <span class="allergen">malted barley flour</span>, niacin, iron, thiamin mononitrate, riboflavin, folic acid], water, <span class="allergen">butter</span>, sugar, yeast, salt, <span class="allergen">whey</span>, modified corn starch, artificial flavor, calcium propionate, calcium sulfate, ascorbic acid, enzymes, calcium phosphate), green leaf lettuce.