Below is list of ways that you can get Cafe Points (Experience Points).

Preparating Food:
Each ingredients you prepare while making a dish gives you Cafe Points.

Move Food to the Counter:
As soon as a dish is done move it to the counter before it spoils and you will get Cafe Points.

Cafe Missions:
When you see pop-up windows asking you to help a neighbor, you can get Cafe Points for helping them.

Friend Visits:
Click your friend's ladder and visit them, then try their daily specials for Cafe Points.