Grilled Salmon with oregano

1 navel orange , peeled, segmented 2 lemons , peeled, segmented 2 teaspoons seeded serrano chilies , minced 3/4 cup canned tomatillo, diced 1/2 cup red onion[...]

1/3 cup creme fraiche 1 tablespoon finely minced gherkins or 1 tablespoon cornichon 1 tablespoon finely minced green onion 1 1/2 teaspoons finely minced fresh[...]

1 (2 1/4 ounce) can sliced black olives , drained 1 (3 ounce) can green olives stuffed with pimientos , drained and sliced 1/4 cup canned tomato paste 1/4 cup[...]