Toasting spices before cooking with them will give your dish a deeper flavor. You can use any whole spice for this custom cook. After toasting, you can use the spices whole or grind them in a spice grinder. Instructions: 1) Place whole spices in Zone 2 of metal tray. 2) Slide metal tray into top oven shelf. Press green button to begin cook. 3) When cook is completed, carefully remove metal tray. 4) Use spices whole or grind in spice grinder depending on your preference.