Cook the pasta as per package instruction.
Put everything in a blender except olive oil and cheese. Blend (or blitz) until it becomes a fine puree. Slowly pour in the olive oil. This will turn the puree into a thicker consistency (a pesto). Taste and adjust the seasoning of the pesto by adding more salt or chili flakes.
Once the pasta is ready, add it to the pesto and mix a bit to combine. Add the cheese and toss to distribute the cheese properly.
Serve. Feel free to add more cheese, if desired.