Food editor Ian Knauer shows you what to look for in four different kinds of dried chiles and shares tips on how to clean and prepare them. Try chipotle chiles in Cilantro-Chipotle Tilapia, ancho chiles in Braised Chile-Spiced Short Ribs, chile de árbol and pasilla chiles in Tortilla Soup with Chiles and Tomatoes, or a medley of chiles in Oaxacan Black Mole.