The most energy efficient cooking method is cooking with natural gas or propane.
As for the most energy efficient cooking method with electricity it's most efficient to cook with induction cooktops or microwaves.
The best option for cooking with electricity is definitely induction, which is 84-percent efficient, compared to the 40-percent efficiency of gas.
A ceramic glass cooktop, which uses halogen elements as a heat source, is a close second as both options deliver heat almost instantaneously, cutting back on wasted energy.
Consider using your microwave, toaster oven or slow cooker for some of your meals because it uses less energy than a stovetop.
You could consider a slow cooker for some of your soups or stews that would take longer to cook on a stovetop.
Some ways to cook without wasting energy include.
Use energy-efficient appliances.
Check your standby habit.
Use the right method to cook.
Put a lid on it!
Cook in batches.
Defrost naturally.
Use the right cookware.
Use a steamer for vegetables.