Chop onion in small pieces. Cover bottom of 1-quart saucepan with olive oil; sauté onions. Drain liquid from beans and save 1 cup of liquid.
After onions are sautéed, add beans, 1/2 cup bean liquid, and pepper. Bring to boil; then simmer approximately for 1 hour. Stirring occasionally until beans are soft and liquid is fairly thick.
Add more bean liquid and pepper according to your preference.
Servings: 4