Spaghetti in Garlic and Oil

2 tbsp extra virgin olive oil
3 garlic cloves, sliced
1/2 tsp red pepper flakes
3 tbsp chopped fresh parsley
2 tsp lemon zest
1/2 cup starchy spaghetti water
3 tbsp parmesan cheese

1. toast garlic and red pepper flakes in oil on medium heat (3 minutes)
2. add parsley and zest
3. add water, simmer 5 minutes
4. add parmesan
5. toss spaghetti in oil and serve

serves 4