# Cut the
onion into half circle shaped pieces, drizzle sumac and salt on it, rub until it softens a little bit.
# Dice the
tomatoes, slice the
peppers finely, and slice the
cucumbers into half circles.
# Mix all the ingredients, and add onto the sliced and rubbed
onion.
# Mix the
lemon juice with
olive oil in a small bowl, and pour all over the salad.
# Finally sprinkle finely sliced parsley all over.