Tuna Pasta Melt

tomato 38.0% , Cooked Conchiglie Pasta 26.5% , tuna 15.0% , cow's milk 9.0% , water 7.3% , mature cheddar 3.0% , corn flour 0.6% , single cream 0.3% , onion 0.2% , carrot 0.1% , rapeseed oil 0.0% , fortified wheat flour 0.0% , salt 0.0% , sugar 0.0% , basil 0.0% , oregano 0.0% , black pepper 0.0% , nutmeg 0.0% , white pepper 0.0% , bay leaf 0.0%