Papas y Cebollas Yucatán al HornoThe Yucatán spiced seasoning condiment, achiote rojo (achiote paste), that contains ground annatto seeds, oregano, cinnamon, cloves, allspice, cumin, and vinegar, is used to infuse the vegetables in this dish with typical Yucatán flavors. The seasoning paste is available in 31⁄2-ounce packages in Mexican and Latin American markets.