Here in Israel I buy it in a jar on the shelf with peanut butter and jam (though the two are not commonly eaten together.) It is sold in original, chocolate, vanilla. creme, and coffee flavors. But my family in the United States makes it from a can. And it's EASY!
- Make two holes in the can with a can opener or hammer and nail.
- Place can in a pot, with water within an inch or two of the top.
- Simmer for 3-4 hours, depending on desired viscosity. (Do you want a syrup or a thick spread?)
To be fair, not ALL Jewish traditions revolve around food. There is a lovely tradition for women not to do any work for half an hour after lighting Chanukah candles in honor of the heroines attached the the holiday.