your bread and butter

bread and butter

1. noun A vital component of something. Bread and butter, as foodstuffs, are considered basic forms of sustenance. A flourishing stock market is the bread and butter of a successful country.
2. noun A job or task that provides one with a steady income. I'm an artist on the weekends, but being a tutor is my bread and butter.
3. adjective Providing financial stability. The phrase can be hyphenated when used as an adjective. I love any writing assignment where I can be creative, but I always make sure to pick up some bread-and-butter gigs to pay the bills.
4. adjective Typical or common. The phrase can be hyphenated when used as an adjective. My sister worries about everything, even the bread-and-butter tasks of everyday life.
See also: and, bread, butter

your ˌbread and ˈbutter

the work that somebody does which provides them with enough money to live: He’s written one or two novels but journalism is his bread and butter.
See also: and, bread, butter