Lobster, pink grapefruit and mixed herb salad

Ingredients

• 2 ruby red grapefruit, peeled, cut into segments
• 2 purple Asian shallots, very thinly sliced
• 1/2 cup round mint leaves
• 1/2 cup Vietnamese mint leaves
• 1/2 cup coriander leaves
• 1/2 cup Thai basil leaves
• 2 cooked lobster tails, shelled, cut into medallions

Vietnamese dressing

• 2 stalks lemongrass, white part only, finely chopped
• 1 garlic clove, crushed
• 2 tablespoons fresh ruby red grapefruit juice
• 2 tablespoons sweet chilli sauce
• 1 tablespoon brown sugar
• 1 tablespoon fish sauce
• 1/2 teaspoon sesame oil