Vegetable Oil, beef chuck with bone, meat cut in cubes, green beans cut in small pieces, Calabazita (Mexican Zuccini) cut in medium size cubes, fresh whole corn cut in 3 to 4 pieces, epazote (mexican herb), Guajillo Chiles(dry chiles), Pasilla Chille (dry chiles), garlic, ancho chile (dry chiles), small onion, Xoconostle (fund in mexican stores is a kind of cactus fruit, a bitt bitter and acidic), peel, remove seeds and sliced