STEP 1: Boil the fettucine as per manufacturer's instructions. While the pasta is cooking, prepare the ingredients for the sauce.
STEP 2: Fry the chopped onions in the oil in medium/high heat.
STEP 3: Add the green onions.
STEP 4: When the onions are golden, add the shrimp.
STEP 5: After the water from the shrimp reduces, add the red peppers.
STEP 6: Add in the mirin.
STEP 7: Mix the flour and water until you have a homogeneous suspension, and pour into the pot with the sauce ingredients.
STEP 8: Add the flavored cream cheese, the ground black pepper, salt and MSG. Allow to simmer until the pasta is ready.
STEP 9: Strain the pasta, place on a plate, and pour the sauce over the pasta..