At least the chapters are short!
We learn (over and over and over) how to kill, carve and cook various animals.
Make bread with flour and oil, but no yeast.
I believe the word MEAT is used to mean FOOD in some places.
Aaron and his son's like to have their food salted before it's cooked but they don't like honey.
I'm having a hard time imagining that these chapters aren't created by man. Not only does it serve as way for the priests to get themselves fed, it could also be used as a guide to provide food that is safe to eat.
"But he shall wash the inwards and the legs with water"