Well, it is ungrammatical. But does the author delibrately used this ungrammatical form to sound like a hick/red neck/uncultured so as to make an impression of hospitality?
I can has cheezburger?
Protein cancer risk overblown
18:54 04 March 2014 by Catherine de Lange
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Are you middle-aged and partial to cheeseburgers? If so, you may be concerned by a study suggesting you have a much greater risk of dying from cancer than your peers who favour a less protein-rich diet. But not all researchers agree with the study's findings.
Morgan Levine at the University of Southern California in Los Angeles and her colleagues analysed a dietary survey of more than 6300 people in the US aged over 50. Those aged 50-65 at the time of the survey and who had a high-protein diet – one where protein supplied a fifth of calories – were 75 per cent more likely to have died over the next 18 years than peers who only got 10 per cent of their calories from protein.