STEP 1/4
Trim spinach, drain, put water in a large nambi and boil it over a gas stove. When the water boils, add salt and spaghetti to boil. Put olive oil or cooking oil in a hot pan and stir-fry chopped onions to enhance the scent.
STEP 4/4
When it's boiling, add salt and pepper, strain the spaghetti in the pot and put it in the sauce and boil for 1-2 minutes or two