Hazelnut butter grilled scallops with salad

INGREDIENTS

• 1 tsp olive oil
• 1 shallot
• 75g/2½oz butter
• ½ lemon
• 1 tbsp finely chopped fresh chervil
• 1 tbsp finely chopped fresh chives
• 45g/1½oz hazelnuts
• salt and freshly ground black pepper
• 6 scallops
• ½ tbsp wholegrain mustard
• ½ tbsp good quality white wine vinegar
• 1½ tbsp good quality rapeseed oil
• 1 Little Gem lettuce
• 1 punnet pea shoots