Do not try to hard-boil a whole egg in its shell in a microwave. Steam pressure can build inside an egg and it may burst during cooking or after you take it out. A whole hard-cooked egg can also burst when reheated. Use a saucepan for hard-cooked eggs; use the microwave only for eggs cracked into a suitable dish and cooked with care.
A dependable stovetop method for hard-cooked eggs
- Place eggs in a single layer in a saucepan and cover them with about an inch of cool water.
- Bring the water to a full boil. Cover the pan, turn off the heat, and let the eggs stand in the hot water for about 12 minutes for large eggs. Adjust for egg size and your preferred texture.
- Transfer the eggs to cold water to stop the cooking and cool them before peeling.
Use clean utensils and hands, and refrigerate cooked eggs promptly. USDA FSIS advises cooking eggs until both the white and yolk are firm and using hard-cooked eggs within one week when refrigerated.
Can you cook eggs in the microwave at all?
Yes, but crack the egg out of its shell first. Put it in a microwave-safe dish, break the yolk membrane, and cover the dish loosely with a microwave-safe lid that allows steam to escape. Cook on reduced power in short intervals, stirring or rotating as needed to help the egg heat evenly. Microwave ovens vary, so use your appliance manual and check the finished egg in several places. FDA guidance for microwave egg dishes is to heat them to 165°F (74°C) throughout and let them stand covered for two minutes.
This method makes a cooked egg dish, such as scrambled egg; it does not make a hard-boiled egg. Never seal the dish tightly, and take care when removing the cover because trapped steam can burn.
Why whole eggs can burst
Microwaves heat food unevenly and can create hot spots. In an intact egg, steam has limited room to escape, so pressure can build. The American Egg Board warns against microwaving eggs in their shells. The same practical warning applies to reheating a whole hard-cooked egg: do not place it whole in the microwave, even after peeling. If you need a warm egg, cut it into small pieces and use a safer reheating method recommended by a trusted food-safety source.
Want a hands-off way to cook a batch?
A dedicated countertop egg cooker is a safer alternative to improvising with eggs in a microwave. For example, you can compare the Elite Gourmet electric egg cooker by capacity, controls, cleanup, and the types of eggs it supports. This is an affiliate link; Gear Cookware may earn a commission at no extra cost to you. Follow the cooker’s instructions and don’t assume its settings apply to a microwave.
See our guide to comparing egg cookers for more appliance options. For food-safety details, read the USDA’s shell egg handling and cooking guidance and the FDA’s microwave egg safety recommendations.
Bottom line
- Do not microwave whole eggs in their shells or reheat a whole hard-cooked egg.
- Use a saucepan to make hard-cooked eggs.
- For microwave egg dishes, crack the egg into a microwave-safe dish, pierce the yolk, cover loosely, and cook evenly to 165°F.
- Refrigerate cooked eggs promptly and use hard-cooked eggs within one week.
