Possible Clues:

• Funny piece right at the beginning in the cookery book
• One will explain how to cook prime piece of rump, juicy piece
• That's the price 'e wants for what goes into making it
• Chef's formula
• Kitchener's instructions concerning writing up of heroic work
• Eg, boil rice with peas - only half
• Directions for making food etc
• Cookbook item
• Kitchen formula
• Distraught epicure rejecting university kitchen's formula