Aceitunas, olive oil, and the cured staples that make sofrito work - Manzanilla olives stuffed with pimientos for the picadillo, queen olives for the rice, Spanish extra-virgin olive oil (cold-pressed), and the briny capers and pickled cebollitas that round out the Cuban-Spanish plate.
CubanFoodMarket carries the brands Spanish kitchens stock at home - Goya, Iberia, Cuca - plus a few specialty importers. Free shipping over $99.