spinach pesto

This was super fast, super good and healthy! Ripped off from Real Simple.

1/4 cup walnuts
2 cloves garlic
pulsed in the blender
10 cups spinach
1/3 cup olive oil
kosher salt and pepper
1/4 cup parmesan cheese
add these to blender/ food processor, pulse until pureed. Toss with cooked pasta and sprinkle with parmesan cheese.