Boil the pasta in 3-4 Quarts of water with 1.5-2 Tbsp of salt. Boil for the shortest time range on the instructions.
1 Lb Rotini Pasta
When the pasta is finished, reserve 1 C of pasta water and drain.
Back in the (now empty) pot, melt 2 pieces of the butter over low heat. Add the garlic and cook for a minute to soften.
1 Stick Cold Butter, 3-4 Cloves Garlic
Cut the heat and add the Dijon, lemon juice, Worcestershire sauce, red pepper flakes, smoked paprika and pepper. If using dried parsley, add it now too.
1 Lemon, Zested and Juiced, 2 Tbsp Dijon Mustard, 1 Tbsp Worcestershire Sauce, 1 tsp Crushed Red Pepper Flakes, 1/4 tsp Black Pepper, 1 tsp Smoked Paprika
Add the drained pasta along with 1/4 C of water and stir to combine.
Add 2 pieces of butter and stir until just melted. Letting the residual heat from the pasta just barely melt the butter as you stir will help it emulsify into a thicker sauce.
Add another 1/4 C pasta water and 2 more pieces of butter. Stir again until just melted.
Add the lemon zest chives, fresh parsley and remaining butter. If the sauce is still looking a little dry, add another 1/4 C pasta water. Stir to melt the butter.
2 Tbsp Chopped Chives or Green Onion, 1 Tbsp Fresh Parsley
If necessary, add the remaining pasta water and stir to combine. Season with salt to taste.
Salt to Taste
Enjoy!