When oven is properly preheated, place fi lled sheet pans in oven and set timer for 10 minutes, or according to formula. Bake at 425°F (220°C) for 10 minutes. Reduce heat to 375°F (190°C) and fi nish...

When oven is properly preheated, place fi lled sheet pans in oven and set timer for 10 minutes, or according to formula. Bake at 425°F (220°C) for 10 minutes.

Reduce heat to 375°F (190°C) and fi nish baking at that temperature for another 10–15 minutes, or according to formula.