Mr Jenkins stopped at a small restaurant to have some coffee

Mr Jenkins stopped at a small restaurant to have some coffee ,when he saw that the restaurant had some nice fresh rolls ,he asked the waitress for one ,and she brorght it ,The he asked for some butter and jam ,and she brought a very small of butter and a very small jar of jam,i'd like some more jam ,please ,Mr Jenkins said.
I'm sorry ,she answered but we only give one serving of butter and one jar of jam with each roll.