Lobster rolls

Ingredients

• 2 cups chopped cooked lobster meat , (3 to 4 lobster tails)
• 1/2 cup diced celery
• 1/3 cup mayonnaise
• 1 green onion , finely chopped
• 2 tbsp chopped fresh parsley
• 1 tsp lemon zest
• 1 tbsp lemon juice
• 1/4 tsp salt
• 1/4 tsp pepper
• 1/8 tsp cayenne pepper
• 10 small brioche buns , (or dinner rolls)
• 4 tsp melted butter