Possible Clues:

• In retreat, heroic national leader's instructions
• European blocks new price formula
• Cook's instruction, ready to hold English cricket's top spot
• Formula developed about energy and speed of light
• Ingredients grown outside city
• Formula fully developed outside the City
• Directions for cooking the turkey e.g.
• Meal plan?
• Instructions: put boiled rice on edges of plate
• Formula for rice pudding and pie one's left