Harissa is a spice mix used in the Middle East and Africa as a condiment, a grilling sauce, and it's often an ingredient in other dishes. There are many variations to this recipe, but this is a fairly typical one.
Remove the seeds from the chili peppers and soak the pepper in water for 1/2 to rehydrate. Heat cumin, caraway and coriander seeds over low heat for one minute. Put all the ingredients in a blender and blend until smooth.