In a medium saucepan, fill half way with water and bring to a boil. Reduce heat to Medium. Add cauliflower and cover with a lid. cook 15-20 minutes or until cauliflower is tender. Drain. Mash cauliflower with a fork, and add sour cream and spices. You can add more or less spices according to your tastes. If its not creamy enough, add more sour cream or a dash of milk. It should look similar to mashed potatoes.