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