Arroz de Galinha

Ingredients

1 1/2 cups lower-sodium chicken broth or vegetable brot
1 cup uncooked white basmati rice (not rinsed)
1/4 teaspoon plus 1 pinch of kosher salt, divided
20 saffron threads (scant 1/4 teaspoon)
1/8 teaspoon black pepper
2 tablespoons olive oil
1 small yellow onion, finely chopped (about 1 cup)
3 garlic cloves, minced
1/2 cup finely chopped red bell pepper
3 ounces soppressata, peeled and sliced into half-moons (about  1/2 cup)
1 (about 2-pounds) whole rotisserie chicken, skin discarded, meat picked and shredded (3 to 4 cups)
1/4 cup pitted kalamata olives, sliced