# Put 7 cups broth into a pot or into a pressure cooker. Add the onion
which is cut into a few pieces, add lentil
and grated carrot
# Boil them until, they soften and lose their shape.
# Strain the mixture and force onto the remaining pieces over the strainer, to strain them.
# Put butter into the pot and place the pot over low heat, add flour
on it and roast it by mixing by a fork or a beater constantly, until its color changes.
# Add 1 cup water on it, mix it fast, then add the strained mixture of lentil
on it urgently.
# Finally sprinkle salt all over and cook the mixture over medium heat until it reaches to the boiling temperature.
# Then turn the heat to low, cook it for 10 minutes by mixing it time to time.
# Pour it into the bowls or deep plates, while it is hot yet. Sprinkle crushed red pepper
all over. Add the toasted bread
pieces all over, if you want.