piece of cake
1
anything that is very easy to achieve or do
The idiom "piece of cake" is used to describe something as very easy or simple to accomplish. It likely originated from the idea that eating a piece of cake is enjoyable and requires little effort. The phrase has been in use in English since the early 20th century and has become a popular way to express how easy a task is.
- For her, solving complex math problems is a piece of cake.
- Cooking dinner tonight will be a piece of cake; I've done it a hundred times.
- I thought the job interview would be tough, but it turned out to be a piece of cake.
- Running five miles is a piece of cake for him; he's a marathon runner.
- Did you see that?Piece of cake!