Prepare ingredients for the soup.
If needed, peel the skin off the sausage, cut it into half inch rings. Optionally, you can brown the sausage a little on a skillet, until the sides turn golden.
Dice onion into tiny cubes and grate carrots.
Preheat pot with a bit of oil. Caramelize onions until golden, add carrots into the onions..
Add white beans into sauteed mixture. Add 4 quarts of hot water into the cooking ingredients. Stir in bullion into the mixture.
Cut kale into small pieces. Add sausage and kale to the soup, let it simmer for 5 minutes. Remove it form the heat.
Serve soup while the soup is warm. It can be easily reheated the next day.