An apparatus and method is disclosed for preparing liquid egg products, for example pure egg whites, whole eggs and egg products either alone or mixed with spices, vegetables or other ingredients, in a microwave oven. The container for preparing the liquid egg products is relatively inexpensive and disposable. In another embodiment of the present invention, a method is provided for preparing liquid egg products in a disposable, microwavable container in which the liquid egg product expands while cooking and partially removes the lid of the container to create a delicious meal of properly cooked, fresh egg product, that are ready for consumption.