Combine the salt, cumin, black pepper and paprika in a plastic gallon bag.
Place chicken in the bag with the spice mixture.
In a nonstick saucepan, heat oil over medium heat.
Add chicken to oil and cook until browned all over, 4 to 6 minutes per side.
Remove and keep warm.
Add the onions, green peppers and red peppers to the same saucepan.
Cook the vegetables over medium heat until tender.
Add rice, broth and saffron and bring to boil.
Add chicken, cover, reduce to a simmer and cook until rice is tender, about 30 minutes.
Add peas and pimientos and let stand, covered, 5 minutes before serving.
Reduce heat to medium-low and.