Related Clues:

• Prepare a casserole
• Heat to remove stress
• Temper, as steel
• Toughen, as glass
• Endure a hot spell
• Prepare a quiche
• Use the oven
• Work with dough
• Roast
• Really feel the heat
• Make cake
• Sit in the sun, e.g.
• Heat to remove stress from, as glass
• Make a 35-Across
• Cook in the oven