Gigantes Plaki Greek Giant Beans in Tomato Sauce Recipe

Ingredients

• 1 ½ cups dried gigantes or large lima beans
• ½ teaspoon baking soda, as needed
• 1 tablespoon extra-virgin olive oil, plus more
• for garnishing (optional)
• 1 large yellow onion, chopped
• 1 teaspoon kosher salt
• 3 garlic cloves, minced
• 1 tablespoon dried Greek oregano
• 2 celery stalks, minced
• 1 carrot, minced
• 1 (14.5-ounce) can diced tomatoes
• ¼ cup chopped fresh parsley, for garnishing (optional)