The phrase "ample lunch" is correct and usable in written English.
It can be used to describe a lunch that is sufficiently large or generous in portion size.
Example: "After a long morning of meetings, we enjoyed an ample lunch that left everyone satisfied and energized for the afternoon."
Alternatives: "generous lunch" or "plentiful lunch".
At $7.95 this was an ample lunch.
They have ample lunch choices in Chinatown, Little Italy and TriBeCa.
Spinach pakoda (fritters), part of an ample lunch buffet, were tasty, even though they were served at room temperature, not sizzling hot.
The program's 300 clients, burdened with ailments like stroke, diabetes and flawed hearts, are brought by bus for a few hours of medical treatment, an ample lunch and a frisson of fun.
The fete featured musicians and singers from Radio City Music Hall, and attracted an ample lunch-time crowd.
Frank Hampson (the creator of the Eagle's Dan Dare), CF Tunnicliffe, Harry Wingfield, John Berry and Martin Aitchison all became regulars at Keen's home at Stratford-upon-Avon, Warwickshire, where business was conducted genially over ample lunches supplied by Margaret.
One poet can't do a piece to camera because of voices off loudly claiming that he spent the previous night in a four-star hotel; another finds a catering wagon serving ample lunches has been manoeuvred into shot as he evokes Clare's wretched experiences.
The one stall doing brisk trade is serving up ample lunches until sunset.
Moore said she's noticed that some children aren't bringing ample lunches as before; leftovers from the night before are more common.
Finally, just as things seemed to be stretching a bit long, the event ended, and investors and reporters were ushered to a venue down the street, where they were given lunch and ample time to mingle and discuss potential investments with each of the startups.
I watched two dedicated ladies, Consuela and Susie, prepare well-balanced lunches in Hope House's ample, yet cozy kitchen (below) -- lunches that would shortly be taken to "their kids" in school.
