Roast Chicken with Pears, Shallots, and Walnuts

Ingredients

• 1 (4-pound) whole roasting chicken
• 2 garlic cloves, peeled and crushed
• 2 fresh rosemary sprigs
• 1 lemon, quartered
• 2 tsp chopped fresh rosemary
• 1 tsp salt, divided
• 1 tsp olive oil
• 6 shallots, peeled and quartered
• 3 firm pears, peeled, cored, and each cut into 8 wedges
• 1/2 cup fat-free, less-sodium chicken broth
• 1/4 cup walnut halves
• 1/2 cup water
• 3 tbsp Champagne vinegar
• 2 tbsp honey
• 1 tbsp fresh lemon juice
• 1 garlic clove, minced
• 2 tsp toasted walnut oil