First dice the fresh bell pepper and onion.
Sprinkle chicken generously with smoked paprika, salt, and pepper. Brown the chicken over medium high heat for about 3-4mins per side.
Take chicken out once browned and lower heat to low. Add onion and fresh pepper and cook until softened, about 4 minutes.
Add the chicken broth and scrape the burned bits on the bottom. Ass saffron threads, garlic if using, tomato paste, and Spanish chorizo. bring broth to a boil.
Add rice once broth boils. Add chicken pieces back in put the lid on. Cook over low heat without touching for 20 minutes.
Add in frozen peas or capers. Put lid back on and cook for an extra 5 mins.