OK, let me make it clear from the beginning: for this dish you can use canned beans, in which case you don't have to go through the boiling process for the beans. Now, I used 1lb beans, which I allowed to soak in hot water for 2 hours and only then put to boil in salty cold water. The boiling process took about 1.5 hrs, and halfway through I drained the beans and replaced the liquid with another 3 litres of hot water.
Let's talk about veggies: we need here 1 large carrot, peeled and grated; 2 yellow onions, peeled and sliced thinly; 1 bell pepper, cleaned and thinly sliced, and 2 chopped tomatoes.
Heat about 50 ml vegetable oil with about 1/2 tablespoon of sweet paprika
The vegetables, ready to go in:
Season with salt and pepper to taste, and keep stirring, then add about 1/2 cup tomato sauce and a little bit of white wine (if using, if not, it can be replaced with water).
Now add the cooked beans, some chopped fresh tarragon, a bay leaf and allow everything to get together, stirring continuously for about 10 minutes
Sprinkle with some chopped fresh parsley and serve.
This dish can be easily transformed into non-vegetarian with a simple addition of fried sausages (great twist, by the way!)