Greek Inspired Chicken & Feta Sandwich

Wheat Flour [_Wheat_ Flour, Calcium Carbonate, Iron, Niacin, Thiamin], Chicken Breast (19%), Cucumber, Tomato, Water, Spinach, Butter Beans, Feta Full Fat Soft Cheese (_Milk_), Low Fat Yogurt (_Milk_), Yeast, Rapeseed Oil, Spinach Powder, Dried Red Pepper, Cornflour, Salt, Mint, Emulsifiers (Mono - and Di-Glycerides of Fatty Acids, Mono - and Di-Acetyl Tartaric Acid Esters of Mono - and Di-Glycerides of Fatty Acids), Pasteurised _Egg_, Malt Vinegar (_Barley_), Concentrated Lemon Juice, Sugar, Black Pepper, _Mustard_ Flour, Garlic, Chive, Spirit Vinegar, Basil, Vitamin D, Sea Salt, _Mustard_ Husk, Flour Treatment Agent (Ascorbic Acid), Sunflower Oil, _Wheat_ Starch, Turmeric, Pimento.