Examples:

• The boy found the project to be a piece of cake because it was incredibly easy.
• You can absolutely do it, but it's not a piece of cake for everyone.
• That was a piece of cake compared to finding a square mile without an ad.
• Don’t worry, Sophie – this job interview will be a piece of cake for you – you have all the skills they need and I think you’re absolutely the best candidate.
• The huge popularity of this band means finding Slipknot tabs is a piece of cake.
• To explain that, I told him, would require that we get a piece of cake.
• They said the test would be difficult, but it was a piece of cake – I’ll pass with no problem at all.
• But there is no use pretending the Saturn-Pluto effect will be a piece of cake.
• Don’t think that this term’s work will be a piece of cake – you’ll have to study hard to get good grades.
• My bone marrow was harvested a couple of weeks ago and the whole thing was a piece of cake.
• Some parts of cooking are really difficult, but I found that making spaghetti Bolognese is a piece of cake.
• Even though the shadow stayed put, it was not obnoxious to remove, and adding a touch up was a piece of cake.
• The boy snatched a piece of cake and ate it hungrily.
• Giving Maria a make-over was a piece of cake, because she’s so naturally beautiful.
• Otherwise, the piece of cake you eat over lunch will end up as stored fat when you go back to your desk at work.
• You can have a piece of cake after you've eaten your vegetables!
• I’ll have to work really hard for the theory part of the exam, but the practical part will be a piece of cake, because I’ve been practicing for so long.
• Once you've chosen a theme, deciding on your invitations and refreshments will be a piece of cake.