Roasted Mushroom & Mascarpone Pasta

egg pasta 40.0% , semi-skimmed milk 30.4% , White Cap Mushrooms 5.0% , double cream 3.8% , mascarpone 3.8% , Mushroom stock 3.8% , onion 3.8% , spinach 2.5% , Regato Cheese 2.3% , portobello mushrooms 2.0% , rapeseed oil 1.0% , Carlic Purée Cornflour Single Cream 0.9% , salt 0.2% , unsalted butter 0.2% , Lemon Juice Ground Smoked Paprika Thyme Black Summer Truffle 0.2% , Ground Bay Leaves Dried Chilies Ground Fennel Seeds 0.3%