Peel and chop the onions. Cut the bacon into slices, simmer with the onion cubes in 1/2 litre water for about 1 hour
In the meantime clean and wash the beans. Peel, wash and dice potatoes and carrots. Peel, quarter and core apples and pears. Cut apples into cubes, pears into slices. Wash the savory and oregano, shake dry, put some oregano aside for garnishing. Pour white beans into a sieve, rinse with cold water and drain
Add the green and white beans, remaining herbs, potatoes, carrots, apples and pears to the bacon, pour on the stock and let everything simmer for about 30 minutes. Season stew with salt, pepper, sugar and vinegar, arrange it and garnish with oregano