Blanch tomatoes 2–4 minutes in boiling water, cool, then peel and wipe core.
Roughly chop tomatoes and parsley; pulse until chunky.
In a deep pot, sauté onion, garlic, thyme, pepper, and black pepper in olive oil over low heat for 3–4 minutes.
Stir in tomato paste and cook 2 minutes, then add tomato-parsley mix.
Add salt and simmer 5 minutes until mixture thickens.
Rinse rice under cool water; stir into tomato base to coat grains.
Pour in stock, bring to a boil, reduce heat, cover, and simmer 15 minutes.
Turn off the heat, keep covered for 5 minutes; then stir in the cilantro and fluff.
Serve and enjoy.