With sticky onion jam & maple bacon
Serves: 6
Cooking time: 1 hour 10 minutes
INGREDIENTS
- 4 tbsp olive oil
- 2 large onions, finely sliced
- 2 tbsp soft brown sugar
- 2 tbsp balsamic vinegar
- 1kg/2lb high-quality ground beef
- 4 tbsp mayonnaise
- 4 tbsp ketchup, plus extra to serve
- 6-12 strips smoked streaky bacon
- 1 tbsp maple syrup
- 6 tsp yellow mustard
- 120g/4oz Ivy’s Reserve Vintage Cheddar, sliced
- 6 brioche buns, halved
- 2 tomatoes, finely sliced
- 6-12 gherkins, sliced
- 2 baby gem lettuce heads, leaves picked