For hummus: * 4 teaspoons cumin seeds, toasted * 2 (15 1/2-oz.) cans chick-Peas, rinsed * 1 garlic clove, coarsely chopped * 1/3 cup chopped fresh flat-leaf parsley * 1/2 cup stirred tahini (Middle Eastern sesame paste) * 1/4 cup fresh lemon juice * 1 1/2 teaspoons salt * 1/3 to 1/2 cup water * 11 1/2-oz. jar smoked Whitefish Caviar Garnish: * 160 small fresh flat-leaf parsley leaves