Chicken Spiedini

Chicken Spiedini:

What it took for 4:

* 2 pounds roma tomatoes, roughly chopped

* 1 Tbs. butter

* 1/4 cup chicken stock

* 2 Tbs. sugar

* 1 pinch coarse salt

* 1 pinch freshly ground pepper

* 2 boneless skinless chicken breasts, cut into bite-sized chunks

* 1 cup whole-wheat breadcrumbs

* 1/4 cup freshly chopped parsley, plus more for garnish

* 1/4 cup freshly grated parmesan cheese

* 2 tsp lemon zest

* 2 cloves garlic, minced

* 4 Tbs. extra-virgin olive oil, divided

* 2 Tbs. butter, melted

* 1 pound spaghetti

* 2 Tbs lemon juice for spritzing

* coarse salt and pepper