Tuna Melt Panini

Ingredients

Sourdough Panini Bread (Wheat Flour (_WHEAT_ Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Water, Sourdough (Water, ermented _WHEAT_ Flour), Durum _WHEAT_ Semolina, Rapeseed Oil, Yeast, Salt, _WHEAT_ Flour, Malted _WHEAT_ Flour, Flour Treatment Agent (Ascorbic Acid)), Tuna (18%) (Skipjack Tuna (Katsuwonus pelamis) (_FISH_), Salt), Cheddar Cheese (_MILK_) (12%), Mayonnaise (Water, Rapeseed Oil, Pasteurised Free Range _EGG_, Cornflour, Spirit Vinegar, Salt, _MUSTARD_ Flour), Mozzarella Cheese (_MILK_) (3.0%), Roasted White Onion (White Onion, Rapeseed Oil), Black Pepper, Potato Starch.