Cut the spam and mushrooms into small pieces.
Fry them in sesame oil and when mushrooms are wilted, then turn off the heat.
Put the noodles and soup base into a microwavable bowl.
Pour 1 cup (8oz) of water into the bowl.
Microwave uncovered for 3 min.
Carefully remove the bowl from the microwave and stir well.
Serve immediately, placing the spam and mushrooms on top.