Thai-style onion burger | Sainsbury`s Magazine

Ingredients

• 1 red onion, finely sliced
• 1 red chilli, diced
• juice of 3 limes
• 2 tbsp fish sauce
• 2 tbsp caster sugar
• 1 x 680g pack 4 Taste the Difference Ultimate steak burgers
• 4 multiseed crusty rolls, halved
• 1⁄2 romaine heart, coarsely shredded
• 3 tbsp finely chopped coriander