Cook the Pasta according to the directions on the package.
Drain and set aside. If necessary, cover to keep warm.
Meanwhile, spray an unheated large skillet with olive oil no-stick spray.
Add 3 teaspoons of the Oil.
Heat the Oil over medium heat.
Add the Pine Nuts and Garlic.
Cook and stir about 5 minutes or until the Pine Nuts are lightly golden.
Then stir in the Spinach and Tomatoes and cook about 3 minutes or until heated through, stirring occasionally.
To serve, place half of the hot Pasta in a bowl.
Drizzle with 1 teaspoon of the remaining Olive Oil.
Gently toss until coated.
Add the remaining Pasta; drizzle with remaining 1 teaspoon of Oil and gently toss.
Then add the Spinach mixture and toss.
Finally add the Feta, Salt and Pepper.
Toss until well combined.