b'WHAT YOU NEED TO DO:Add both the cheeses to the sauce, and mix well until the cheeses are melted into the sauce. TO FINISH: Mix the pasta, the truffle oil (if desired) and the lobster meat with three-quarters of the Cheese & Besciamella Sauce. Pour the pasta into a greased baking dish in two layers, topping each layer with a portion of the remaining sauce. Top it all with breadcrumbs. Reduce the oven temperature to 350 degrees and cook for about 25 minutes.'