2 limes, quartered, for serving
1 cup peas (frozen are fine; no need to thaw them)
3 1/2 cups water, chicken stock, or vegetable stock, or more as needed
1 pinch saffron threads, optional
1 1/2 cups short-grain white rice
1 tbsp. minced garlic
2 medium onions
Salt and freshly ground black pepper
1 whole cut-up chicken
2 tbsp. olive oil