La Costeña Sliced Jalapeños, 7 oz a delicious jalapeños from La Costeña are cut into slices for you to add to your favorite recipes. "Conservas La Costeña" was born as a result of the entrepreneurial vision of Don Vicente López Resines, who in that year acquired a grocery store called "La Costeña®", which soon became popular for its serrano peppers and long peppers in vinegar.