Simple Beans and Sausage (Fasole cu Carnati)

Quick, simple, delicious.  This is another childhood favorite.  Enjoy!

Ingredients:
-cooking spray
-1/2 lb polska kielbasa sausage, cut lenghtwise then sliced
-1 small onion, finely chopped
-4 (15 oz each) cans kidney beans, rinsed and drained
-2 cups water
-2 Tbs tomato paste
-salt and pepper, to taste
Directions:
Coat a large saucepan with cooking spray.  Add sausage and cook for a couple of minutes.  Add onion and cook until golden.  Add beans and water.  Bring to a boil.  Add tomato paste.  Stir until dissolved.  Add salt and pepper.  Simmer for about 10 minutes.  Enjoy!