Regal Hot Smoked Salmon Burger with Herby Mayo

Ingredients

• 1/2 cup mayonnaise
• 1 Tbsp fresh chives, chopped
• 1 Tbsp fresh dill, chopped
• 2 gherkins, finely diced
• 1 clove garlic
• 1/4 tsp lemon zest
• 1/2 cup white vinegar or apple cider vinegar
• 1/4 cup water
• 2 Tbsp caster sugar
• 1/2 tsp salt
• 1/2 red onion, finely sliced
• 4 brioche burger buns
• 2 Tbsp butter, softened
• 250g Regal Hot Smoked Salmon - Double Manuka
• 4 Large cos lettuce leaves
• 1/4 telegraph cucumber, sliced
• 2 radishes, thinly sliced
• 4 lemon wedges