Response:
Two fitting adjectives for John Steinbeck's writings are: plain and casual.
Clarification:
John Steinbeck authored twenty-seven works, comprising novels and short stories, his literature being recognized as social realism, adeptly mirroring the circumstances in the U.S. during the Great Depression.
His literary style bears resemblance to European naturalistic realism, rooted in the principles of historical determinism. His works can be characterized as straightforward and casual.
In the narrative, Durham’s has invented remarkable, new food items using commonplace ingredients, much like alchemists turning base metals into gold.