What's the best egg laying chicken breed?

[Bullitt]

I own two white leghorns from Ideal hatchery and they are easy on the feed consumption and though they are just getting started they have been laying consistently. My only qualm with them is the flightiness. I have tried since 3 days old to get that out of them and have not succeeded. Other than that they have been fantastic, hope this helps

That flightiness helps them avoid predators, though.

You might look into California Gray if you want a really good egg-layer that is less flighty. The California Gray was created by breeding Barred Plymouth Rock and White Leghorn. I see it spelled both Gray and Grey. Sometimes they are called Production Black.

I see that Stromberg's hatchery in Minnesota sells California Grey chickens.