Boil water for pasta while prepping ingredents. Once the water is boiling, put in the pasta and start on the steps below.
Heat pan. Add olive oil and warm. Add garlic and saute for 20 seconds until fragrant
Add sausage and cook until no longer pink
Add amaranth leaves and saute for 1 minute
Turn the heat to medium low and cover for 2 minutes
Add cooked pasta directly into the pan. Add lemon.
Add pasta water and parmesan to taste. Plate and serve immeiately.