Boil the spaghetti noodles in boiling water and drain them in a colander.
Make a slit in the salted pollack roe and scrape out only the roe grains.
Slice the garlic thinly.
Heat olive oil in a pan and sauté the garlic to infuse the flavor.
Add the cooked spaghetti and a little bit of pasta water to the pan and mix.
Add the pollack roe and quickly stir-fry to combine everything.
Season with salt and pepper, plate, and serve.