01 -
Take the skillet off the heat. Mix in the shredded parmesan, some grated lemon peel, a pinch of salt, and ground black pepper. Give it a good toss and serve right away.
02 -
If things look too thick or sticky, splash in a bit more pasta cooking water, up to 60 ml, until the noodles are as saucy as you like.
03 -
Once the lemon juice and half your reserved pasta water are bubbling in the pan, toss in spinach and cooked spaghetti. Mix and flip until the spinach softens and everything gets a light coating of sauce.
04 -
Pop a big skillet on medium heat and melt your butter. Toss in the garlic and pepper flakes. Give it a quick stir for about a minute until it all smells awesome.
05 -
Fill a big pot with plenty of salty water and bring it to a rolling boil. Drop in the spaghetti. Cook like the package says, about 9-10 minutes, 'til it's got a tiny bite left. Scoop out a cup of the water before draining. Don't rinse the pasta.