01 - In a large pot or Dutch oven, heat a splash of oil over medium heat. Add the onion, carrots, and celery; sauté for 4–5 minutes until softened.
02 - Stir in the garlic and cook for 1 minute until fragrant.
03 - Add the green split peas, smoked turkey, broth, bay leaf, thyme, and black pepper. Bring to a boil.
04 - Reduce heat, cover, and simmer for 1 hour, stirring occasionally, until peas are tender and soup has thickened.
05 - Remove the turkey pieces. Shred the meat, discarding skin and bones, and return the meat to the soup.
06 - Remove the bay leaf. Taste and adjust salt if necessary.
07 - Serve hot, garnished with parsley or croutons if desired.