Nero Wolfe series by Rex Stout
Nero Wolfe is a gourmand detective with food settings prominent in the stories.
If reading just one Nero Wolfe for the story, then I recommend "The Doorbell Rang."
If reading just one Nero Wolfe for the food and the defense of American cooking, then I recommend "Too Many Cooks."
If adding just one cookbook to your library on Eat Your Books, then I recommend "The Nero Wolfe Cookbook."