Dinuguan (in Visayan, also called dinardaraan in Ilocano, tid-tad in Pampanga, dugo-dugo in Cebuano, sinugaok in Batangas, rugodugo in Waray, and sampayna or champayna in Northern Mindanao) is a Filipino savory stew of meat and/or offal (typically lungs, kidneys, intestines, ears, heart and snout) simmered in a rich, spicy dark gravy of pig blood, garlic, chili (most often siling mahaba), and vinegar.