Bake or cook bacon before you use. I use my oven to bake bacon. Bake the bacon at 400°F (205°C) for 17-20 minutes
Pasta - In a medium pot, add water and salt. When it's boiling, add spaghetti and cook for about 8 minutes. Please save 2TBSPpasta water before tossing.
Slice mushrooms into the size you prefer, and cut green onion into small pieces.
Let's Make Wafu Pasta - after bacon is cooked
Cut the bacon into 1-1.5 inches long.
In a medium pan, turn the heat to medium and add oil (olive oil or sesame oil) and minced garlic. Cook for a minute.
Add the bacon, mushrooms, our pasta water, freshly groundblack pepper, butter, dashi powder, and soy sauce. Cook for 1 minute.
Add the pasta to the pan and stir well. Cook for 3 minutes.
Turn the heat off and then add the green onions and mix.