Heat olive oil in a large skillet over medium-high heat.
Season the chicken thighs with salt and black pepper, then add to the skillet and brown on both sides. Remove from skillet and set aside.
In the same skillet, add chopped onion, red bell pepper, and minced garlic. Sauté until the vegetables are softened.
Add the rice to the skillet and stir to coat the grains with the vegetable mixture.
Pour in the chicken broth, smoked paprika, and saffron. Stir to combine.
Nestle the chicken thighs into the rice mixture, cover the skillet, and reduce the heat to low. Cook for about 25-30 minutes, or until the rice is tender and the chicken is cooked through.
Add the frozen peas and cook for an additional 5 minutes, until heated through.
Serve hot and enjoy your Chicken Paella.