bring a pot to boil and add 1 tablespoon of salt

add pasta into the boilling water and cook it until done

drain the water from the pasta pot and leave it there

heat a pan in medium heat and add butter

when the butter melt add onion and garlic in together and stir fried until fragent

add salt and pepper in and mix it

add Shitake mushroom in and stir fry it until fragent as well be careful sometimes the mushroom will stick to your pan. if you are using a none stickpan it will be alright

finally add your cooked pasta and stir it

serve it on a plate. If you want to decorate it you can add chopped parsly or dried chopped parsly on top and parmesan cheese to garnish it is opptional.