Mash the cooked chickpeas with a fork.

Add the sauce to the mashed chickpeas.

Finely chop the oregano leaves and add them to the mixture along with the chopped onion, salt, and black pepper.

Dice the tomato and add it to the mixture. Mix all the ingredients together.

Spread butter on one side of each bread slice.

Spread a layer of the prepared filling on one slice of bread.

Place the second slice of bread on top of the filling. Serve with a cup of tea or juice.