Place all the ingredients in a non- reactive container and keep cold in the refrigerator for 24 hours. Remove from the refrigerator and drain all the liquid and set aside.;
Sauce: In a saute pan with tablespoon of oil, bring up to high heat and add the first 4 ingredients. Toss until they are blackened. Let cool and in a food processor, place all blackened vegetables and remaining ingredients and pulse to medium chop the vegetables. Toss well and chill. Fold scallops into mixture and serve.
Recipe courtesy of Guillermo Pernot of Pasion, Philadelphia, PA