01 -
Boil the pasta in well-salted water until just al dente. Drain and rinse under cold water to stop the cooking and remove excess starch. Set aside.
02 -
In a large bowl, stir together the mayonnaise, Greek yogurt, Dijon mustard, lemon juice, lemon zest, salt, and pepper. Taste and adjust the seasoning.
03 -
Add the cooled pasta, lobster chunks, celery, red onion, and chives to the dressing. Fold with a spatula until evenly coated, taking care not to break up the lobster.
04 -
Cover and refrigerate for at least 30 minutes to let the flavors meld. Top with buttered toasted breadcrumbs just before serving if desired.