Related Clues:

• The middle of 15 across is high
• Place the collection here
• Might be sand that has got hard as cement
• There could be mountains of this in the kitchen
• Sand perhaps got as hard as cement
• Might sand get as hard as concrete?
• The collection of sand?
• The cause of the anger of the cook?
• Perhaps it's sand at the bottom of 23 across
• Perhaps sand has got hard
• Such 4 acrosses would never be in the kitchen like this
• For mountain cooking?
• As this could be all for the good when hardened like cement
• All this ready to go
• The kind of anger the mountains cause