Set aluminum - foil - lined cast - iron pan or heavy rimmed baking pan on floor of oven and preheat oven to 450 °F for 1 hour. (epicurious.com)
Sarah Jane said it would be «much cooler» to bake the bagels directly on the stone floor of the oven and lamented her use of a baking pan, but said it's for ease of flipping for perfect brownness — and to contain the seed mess. (treehugger.com)
At least 45 minutes before making the pizza, place a baking stone either on the floor of the oven (for gas ovens), or on a rack in the lower third of the oven. (101cookbooks.com)