Cook pasta according to package
Drain pasta- Reserving 1/2 cup of pasta water
Set pasta aside
In the pot used to cook noodles
Melt butter
Add garlic and cook over low heat for 4 minutes
Add the pasta back to the pot
Add the spinach and cook over low heat until spinach wilts
Mix ingredients together adding pasta water slowly back in until desired moistness is acquired
Stir in the Parmesan cheese and gently toss everything together
Pour pasta into a serving bowl
Top with a sprinkle of Parmesan cheese if desired