Let the pasta simmer in salted water (1 teaspoon salt / liter) for 12 minutes.
Meanwhile, clean the spring onions and cut into thin rings. Finely dice the piece of pepper.
When the noodles are done, heat 1 - 2 tablespoons of oil in a pan and fry the diced paprika briefly, they should still have a bite. Then add the spring onion rings and the drained hot kritharaki. Now stir in 1 tablespoon butter.