In a small bowl, dissolve the cornstarch in the broth. Set aside.
In a small saucepan over medium-high heat, bring the maple syrup and garlic to a boil. Let simmer until the mixture begins to caramelize. Add the applesauce and the broth mixture. Beware of splattering. Season with salt and pepper. Bring to a boil and let simmer for 5 minutes or until syrupy. Set aside.
Preheat the grill, setting the burners to high. Oil the grate.
Wrap each pork cube with a prosciutto slice and thread each piece onto a skewer. Let rest for 15 minutes. Brush with oil and season with pepper.
Grill the skewers for 2 minutes on each side or until medium-rare. Place on a serving dish and brush with the sauce.
Recipes with the "Healthy Pick" stamp have been evaluated by a registered dietitian member of the Ordre professionnel des diététistes du Québec.