Possible Clues:

• Kneecaps
• Knee bones
• The formal kneecaps
• Crown wants everyone to turn over last of the bones
• Bones in minced food upset everyone eating initially
• Bones specialist finally put in dish close to table
• They're attached to quads
• Bones in the head all turned to point
• Bony bits girl found in savoury dish
• The kneecaps