FOR each serving: Heat 1 pouch Macaroni & Cheese as directed on package; place in medium bowl.
ADD 4 oz. lobster, 1-1/4 oz. shredded cheese and 1/8 tsp. truffle oil; mix lightly. Spoon into buttered ovenproof gratin dish.
MIX 3 Tbsp. cracker crumbs, 2 Tbsp. bread crumbs and 1 Tbsp. butter; sprinkle over macaroni and cheese mixture.
BAKE in 325ºF convection oven 10 to 12 min. or until macaroni mixture is heated through and crumb topping is golden brown.