Don't know if this is the same as Little Jimmy Dickens' version. (His version was apparently written by Roland Johnson.)

CORNBREAD AND BUTTERMILK

I came down from Kentucky, a place called Greasy Creek.
That cornbread and buttermilk was all I had to eat.
I have served my country, work for Uncle Sam,
But cornbread and buttermilk made me what I am.

REFRAIN
Oh, give me that cornbread and buttermilk, a country boy's delight.
I eat it every morning and I eat it every night.
Some people like fried chicken, others like their ham,
But cornbrad and buttermilk made me what I am.

My daddy raised some taters; beans and cabbage too.
He always raised plenty of corn to make his mountain dew.
Daddy had some horses and cattle on the farm,
But cornbread and buttermilk never did no harm.