Cook the orzo according to the directions on the package.
While the orzo is cooking, slice your tomatoes and crumble your feta.
When the orzo is done, strain and rinse until cool water. Transfer to a large bowl and add the olive oil. Toss to coat, this will prevent the orzo from sticking together as it cools.
Add the pesto and stir to combine well with the orzo. Then add the remaining ingredients, and mix well.
Garnish with a few fresh basil leaves, serve and enjoy!