Chilled Maine Lobster with Orange & Basil Vinaigrette

Ingredients

• 1 pound cooked Maine lobster meat, cut into 1-inch pieces
• 1 Tablespoon minced shallots
• 2 Tablespoons olive oil
• 2 Tablespoons fresh orange juice
• 1 Tablespoon fresh lime juice
• 2 Tablespoons chopped fresh basil
• 1 Tablespoon chopped fresh parsley
• ½ teaspoon salt
• ¼ teaspoon Dijon mustard
• 1 ripe avocado, peeled and diced
• 3 radishes, thinly sliced
• 1 head butter lettuce, torn, for serving (red or green)
• Kosher salt
• freshly ground black pepper