Wash the beans and soak in 1 litre of water overnight. Peel onion and garlic and dice finely. Wash sage and oregano. Put something aside for garnishing. Heat 2 tablespoons of oil in a saucepan.
Sauté the garlic and onion. Add tomato paste. Add beans with the soaking water and herbs, bring to the boil and simmer for 1 1/2 -2 hours. Carve tomatoes crosswise, put them into boiling water, drain them and remove the skin. Dice the tomatoes and add them immediately to the beans. Clean, wash and dice the zucchini. Wash and halve the cherry tomatoes. Heat 1 tablespoon of oil in a pan. Brown the fennel sausage briefly all around, remove. Cut the fennel sausage into pieces.
Wash and halve the cherry tomatoes. Heat 1 tablespoon of oil in a pan. Brown the fennel sausage briefly all around, remove. Cut the fennel sausage into pieces. Season soup with salt and pepper. Add zucchini, sausage pieces, olives and tomatoes to the soup about 5 minutes before the end of the cooking time. Garnish soup with oregano and sage
12 hours waiting time