Maine Lobster Mac and Cheese

Name: Maine Lobster Mac and Cheese
Ingredients: 1 Pound high quality dry pasta (shells, or another shape that will hold sauce well); 8 Ounces mascarpone, at room temperature; 4 Ounces creamy goat cheese, at room temperature; 2 Ounces heavy cream, at room temperature; ½ Teaspoon sea salt; Pinch of ground nutmeg; Pinch of white pepper; 1 Ounce minced black truffles (optional); 1 Pound salted butter, cut into 1-inch chunks, at room temperature; 1½ Pound pounds freshly cooked Maine lobster meat, tail cut into 1-inch medallions, and claw/knuckle into 1-inch pieces; 3 black winter truffles, thinly sliced (optional)