Functioning particularly effectively; achieving something substantial.
With the updated software, I was really cooking with gas. I got the project done in half the time.
Used other than figuratively or idiomatically: see cook, with, gas.
In a kosher manner; in accordance with kashrut.
To kasher; to prepare (for example, meat) in conformity with the requirements of the Jewish law.
Fit for use or consumption, in accordance with Jewish law (especially relating to food).
In accordance with standards or usual practice.