Heat 3 tbsp (45 mL) oil in skillet set over medium heat. Cook onions for 3 to 5 min., or until softened. Add prosciutto, apricots and sage. Cook 2 to 3 min. until sage wilts. Toss mixture with cubed bread. Drizzle broth over top of mixture to moisten bread. Cool completely.
Preheat oven to 400°F (200°C). Without slicing all the way through, cut roast in half horizontally and open it up like a book into one bigger piece. Add stuffing to centre of roast. Roll and tie with kitchen twine. Season with 1 tsp (5 mL) salt.
Heat 1 tbsp (15 mL) oil in large oven-proof skillet set over medium-high heat. Sear roast 8 to 10 min., or until browned all over. Transfer to roasting pan. Cook roast 45 to 60 min. or until meat thermometer inserted in centre registers 160°F (71°C). Transfer roast to a cutting board, cover loosely with foil to rest 15 min.
Meanwhile, heat remaining oil in large skillet set over medium-high heat. Sauté kale, pears, ginger and remaining salt 5 min. or just until kale is wilted and pears are tender. Remove twine from roast, slice and serve with kale mixture.
For richer stuffing use day-old egg bread.