Prepare the Lobster Mixture: Add the lobster, cherry tomatoes, chopped celery, sherry, herbs, and ¼ cup of olive oil to the bowl with the shallots. Toss until everything is evenly mixed. If desired, season with a pinch of salt and pepper. Let it sit for 30 minutes to allow the flavors to blend.
1 ½ to 1 ¾ pounds lobster, 1 cup cherry tomatoes, ½ cup finely chopped celery, 2 tablespoons sherry, ¼ cup fresh chopped parsley or basil, ¼ cup extra-virgin olive oil, Salt and pepper