Turn off the Oven Early
There is no need to blast your stove on high the entire time your pizza is in there. You can cook the food in the oven's residual heat. Turn off your oven about ten minutes early to save energy.
Bake Several Dishes at Once
Let's say you have three dishes that need baked. Baking them all at once is a great way to conserve energy. You can cook three dishes for the electrical or gas price of one.