Cranberry & rosemary stuffed poultry ballotine iced with maple

Ingredients

• 1/4 cup (60 ml) olive oil
• 1 large onion finely chopped
• 2 garlic cloves finely chopped
• 1 1/3 cup (330 ml) fresh or frozen cranberries
• 1 branch fresh rosemary
• Salt and freshly ground pepper to taste
• 5 boneless chicken breasts, with skin if possible
• 2 egg whites
• Butter, to taste
• 1/4 cup (60 mL) maple syrup