Wash the lentils in a colander. Put the lentils in a pot and add cold water on top. Bring water to boil over high heat. As soon as the water comes to boil. Discard the water, add new water and boil again. As soon as the water boils again, reduce the heat, just enough to simmer. Do not cover lid.
First wash and then soak the wheat berries overnight to shorten the cooking time. On the day, boil the wheat berries, in a separate pot fresh water.
If any unpleasent bubbles come up-while boiling both of them, skim and discard. Cook until both the lentils and the wheat berries are edible. Should take around 15-20 minutes each. Taste one of each to understand.
Meanwhile in a saucepan add the olive oil and butter. When butter is melted and the grated onion. Sauté the onions until they are translucent.
Take out the seeds of the peppers and chop them really small and add to the onions. Sauté until they soften.
Add the tomato paste to the onions and sauté for a minute.
Then add the dry mint, red pepper flakes, ground black pepper. Mix for an additional minute and close the heat.
Add the onion mixture to the soup.
Add also meat bullions if you choose to use them. Replace with meat stock if available.
Add salt to taste. Cook for another 5 minutes.
This soup is supposed to be thick, but will become thicker when it waits, add hot water if necessary.
Serve hot, offer lemon wedges next to it.