You’ll Need:1 pound potatoes (3 medium), peeled and cut into 1-inch cubes 4 large cloves garlic 1/2 to 3/4 cup roasted sesame tahini (available in natural food and Middle Eastern stores) 1/3 cup fresh lemon juice 1/4 cup olive oil Approximately 2/3 cup water 1/2 teaspoon ground cumin 1/4 teaspoon