Steak spiced pork loin

Ingredients

• 1 boneless untrussed Quebec pork loin roast, about 1 kg (2.2 lb.)
• 2 tbsp. 30 ml olive oil
• 3 tbsp. 45 ml Dijon mustard
• 3 tbsp. 45 ml steak spices
• 2 delicata squash, seeds removed, sliced into half-moons about 1-cm (½-in.) thick
• 1 lb. 454 g Brussels sprouts, trimmed and halved
• 1 tbsp. 15 ml maple syrup
• 1 tbsp. 15 ml thyme leaves
• 1 tbsp. 15 ml finely chopped sage leaves
• 1 cup 250 ml chicken broth
• 3 tbsp. 45 ml butter
• Salt and freshly ground pepper, to taste