This is a photoshop tutorial about how to make a realistic egg from scratch and can be found at photoshoptalent.com.
In order to achieve the result that we see in image above, we use some tools and simple techniques. These include the usage of the Pen Tool which help us to create the basic shape of our egg and also we use the Bevel and Emboss layer style and the Burn Tool for giving depth to the egg.
This is an easy tutorial with a very nice result.