any unit used in linear measurement, as the inch, foot, meter, etc. Origin of linear measure. 1885-1890. First recorded in 1885-90.
Realistically, you could put any icing you wanted on a carrot cake. The wonderful beauty of cooking is that you can make it to your liking. But, the traditional icing that most people put on carrot cake is cream cheese icing.
Answer by joantheresa (1421). The usual icing for carrot cake is Cream Cheese Frosting, and it is very tasty. To make it you mix 1 3-ounce package cream cheese with 1/4 cup of butter or margarine and one teaspoon of vanilla.