Heat olive oil in a large pot over medium heat.
Add chicken and cook until browned on all sides.
Add onion and garlic, sauté until the onion is translucent.
Stir in rice and cook for 2 minutes, stirring frequently.
Pour in chicken broth and diced tomatoes, bring to a boil.
Add Italian seasoning, salt, and pepper, then reduce heat to low.
Cover and simmer for 25-30 minutes or until rice is tender.
Stir in peas and cook for an additional 5 minutes.
Serve hot, garnished with fresh herbs, if desired.