# Slice the
onions into half circles. Add salt over the slices and knead until the
onion pieces soften.
# Dice the
liver into cubes, slice the
peppers, each piece should have 1/2 inch length. Peel the
tomatoes and dice.
# Transfer the prepared ingredients into a mixing bowl. Add oil, cumin, black
pepper and salt on it and mix.
# Cut the grease-proof-paper into 4 pieces.
# Place the filling mixture onto the middle of the each paper piece. Then fold the paper pieces to close the mixture.
# Place the
liver packages into a baking tray. Cook them for half hour in the oven which is preheated to 375 F.
# Serve hot.