Take the Ellipse Tool (U) now and represent an apple’s leaf, turning over the ellipse with Free Transform option and correcting its shape with the Convert Point Tool.



The layer’s parameters: Blending Options>Bevel and Emboss



Blending Options>Gradient Overlay



Gradient’s parameters:

 



Create another layer inside the leaf and choose for this operation the Pen Tool (P). Making the corrections on its shape is possible with the Convert Point Tool.



The layer’s parameters: Blending Options>Bevel and Emboss



Blending Options>Gradient Overlay



Gradient’s parameters:



Blending Options>Stroke

 



Make a copy of the recently created layer and select the Free Transform option to make the copy a little smaller and apply the next parameters for the copy:



The layer’s parameters: Fill 0%
Blending Options>Color Overlay