Stir in tomato paste and cook for an additional minute.
Add the rinsed beans, vegetable broth, bay leaf, and oregano. Bring to a boil.
Reduce heat and let it simmer for 1 hour until beans are tender.
Season with salt and pepper to taste, and remove bay leaf before serving.
Notes
Serve with a drizzle of olive oil and crusty bread for a hearty meal. Store leftovers in an airtight container for up to 5 days or freeze for 3 months.