Season and sear the chicken in olive oil or butter until golden on the edges.
Remove the chicken and sauté chopped onion and crushed garlic until soft and aromatic.
Stir in the long-grain rice and lightly toast it with the aromatics.
Pour in the chicken broth, salt, pepper, paprika, and oregano, stirring to combine.
Return the chicken to the pot, bring to a gentle boil, then reduce the heat and cover.
Simmer until the rice is tender, and the liquid is absorbed.
Let the pot rest for a few minutes, then fluff the rice and garnish with parsley or lemon.