In large bowl place 1 cup dried white beans & cover w/cold water. Allow to stand covered for 8 hours. Drain beans. In large saucepan, bring 2 cups vegetable or chicken stock & 2 cups cold water to a boil. Add 2 large carrots, diced-reduce heat, simmer until tender. Remove carrots. Return stock& water to a boil.. Add beans & bay leaf. Return to boil & reduce heat to low. Cover and simmer 45mins-1 hr. until beans are tender. Discard bay leaf. Cook 8 oz. penne or ziti. Toss beans & carrots w/ pasta. Toss w/ pesto. Season to taste. Serves 4.