Slow-Cooked Vegetable Soup

Ingredients

• 3/4 cup chopped onion
• 1/2 cup chopped celery
• 1/2 cup chopped green pepper
• 2 tablespoons olive oil
• 1 large potato, peeled and diced
• 1 medium sweet potato, peeled and diced
• 1 to 2 garlic cloves, minced
• 3 cups vegetable broth
• 2 medium fresh tomatoes, chopped
• 1 can (16 ounces) kidney beans, rinsed and drained
• 1 can (15 ounces) garbanzo beans or chickpeas, rinsed and drained
• 2 teaspoons soy sauce
• 1 teaspoon paprika
• 1/2 teaspoon dried basil
• 1/4 teaspoon salt
• 1/4 teaspoon ground turmeric
• 1 bay leaf
• Dash cayenne pepper