Very simple; extremely easy.
1) The job was easy as pie, and we finished up an hour early.
2) You want Mom to give you fifty dollars? Easy as pie. Just tell her you need to buy some new shoes.
Etymology: 'Pie' is a tasty, sweet dish that is easy to make, and even easier to eat.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug