What is the time to preheat oven before baking cake and pizza?

The time to preheat an oven before baking a cake or pizza can vary depending on the type of oven and the recipe being followed. Here are general guidelines for preheating an oven:

For cakes:

- Standard oven: Preheat the oven to the temperature specified in the recipe for about 10-15 minutes before baking the cake.

- Convection oven: Preheat the oven to the temperature specified in the recipe, but reduce it by 25 degrees Fahrenheit. For example, if the recipe calls for 350 degrees Fahrenheit in a standard oven, reduce it to 325 degrees Fahrenheit in a convection oven. Convection ovens preheat faster, so 5-10 minutes of preheating should be sufficient.

For pizzas:

- Standard oven: Preheat the oven to the highest temperature possible, usually around 500 degrees Fahrenheit or as high as your oven allows. This helps achieve a crispy crust. Preheat the oven for at least 15-20 minutes to ensure it reaches the desired temperature.

- Pizza oven or baking stone: If you have a pizza oven or a baking stone, preheat it for at least 30 minutes before baking the pizza.

It's important to preheat the oven before baking to ensure even heat distribution and optimal baking results. Oven temperatures can vary, so it's always a good practice to use an oven thermometer to verify the accuracy of the temperature. Additionally, consult your specific recipe or oven manual for specific preheating instructions and temperature guidelines for the dish you are baking.