Festive Chicken Burger ⋆Anne's Kitchen

Ingredients

• 150g frozen cranberries
• 4 tbsp port wine
• 1 tbsp balsamic vinegar
• 60g sugar
• 1 onion
• sunflower oil
• 500g chicken breast
• 1 egg
• 1 tbsp thyme
• 2 tbsp breadcrumbs
• ¾ tsp salt
• pepper
• 300g Brussels sprouts
• 1 tsp fennel seeds
• 4 burger buns
• mayonnaise