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.
Most people make Cream Cheese Frosting for their Carrot Cake. Here's a simple recipe for it: 1 cube butter-room temp 1 (8 oz) pkg cream cheese-room temp 1 box powdered sugar-sifted 1 tsp vanilla Beat the butter and cream cheese. Add the vanilla and beat again.