Peel and chop the onion and garlic. Clean the chillies, cut lengthwise, remove seeds, wash and chop finely. Wash the meat, dab dry and cut into small cubes.
For the crostini cut the ciabatta into thin slices. Heat 2 tablespoons of oil in a large pot. Roast the ciabatta in it bit by bit from each side. Take out the ciabatta.
Heat 1 tablespoon of oil in a pot. Fry the meat for 4-5 minutes over medium heat, turning it over. Fry onion, garlic and chilli briefly.
Add the chopped tomatoes, 100 ml water and stock, bring to the boil. Cover and simmer for about 15 minutes.
Put the beans on a sieve, rinse and drain. Wash the thyme, shake dry and chop. Add the beans to the pot and simmer for 3-4 minutes. Season to taste with salt, pepper and sugar.
Break the crostini into pieces and add.