Complex sentence: Hoppin' John is a dish served in the Southern United States consisting of black-eyed peas (or field peas) and rice, with chopped onion and sliced bacon, seasoned with a bit of salt.
Split into simpler sentences: Hoppin' John is a peas and rice dish served in the Southern United States. It is made with black-eyed peas (or field peas) and rice, chopped onion, sliced bacon, and seasoned with a bit of salt.