2 lbs potatoes, peeled and cut into 1 inch cubes
3 lb whole chicken
sea salt and fresh ground pepper
11 oz hot or mild Spanish chorizo, sliced on angle
olive oil
Gremolata:
2 lemons, zested
1/4 cup fresh parsley, finely chopped
2 cloves garlic
Preheat oven to 425 degrees. 
Peel and cut potatoes and place them in a medium sized pot and cover  them with cold water.  Turn heat to high and boil for 5 minutes, then  drain.
Zest the lemons and place all zest into a small bowl (to be used  later).  Cut one of the zested lemons in half and stuff it inside the  whole chicken.  Remove the parsley leaves from the stalks and put the  stalks inside the chicken as well. In a 9 x 13 roasting pan, dump in the  boiled and drained potatoes and place the chicken on top.  Drizzle the  chicken and potatoes with a bit of olive oil and season with salt and  pepper.  Place in the oven for about an hour (or until the chicken  reaches an internal temperature of 170 degrees).  With 20 minutes left  in cooking time, sprinkled the sliced chorizo sausage over the potatoes  and chicken to finish cooking.
While the chicken is roasting, you can quickly make the gremolata.  Take  the small bowl of lemon zest and add the chopped parsley to it.  Use a  rasp or finely chop the garlic and stir together with the lemon and  parsley.  Season with salt and pepper.
When chicken is done roasting, remove from the oven and let it rest  covered in foil for 10-15 minutes to let the juices redistribute.  When  it has rested, carve the chicken.  To serve, pile some of the chorizo  and potatoes onto a plate, add the chicken and scoop out any juices that  have accumulated in the pan (they are amazing!)  Top the chicken and  potatoes with a bit of gremolata for an incredible hit of fresh flavor.