Crab Louie Salad

• 1 lb crab meat , in large chunks
• lemon freshly squeezed, juice of a
• black pepper , freshly ground
• 3 romaine lettuce hearts
• 4 tablespoons chives chopped fresh
• 4 egg sliced, hard-boiled
• 2 tomato cut into thin wedges, medium
• 2 celery sliced, stalks
• 1 red onion , sliced
• 1 English cucumber , peeled and sliced
• 4 lemon wedges
• 12 asparagus trimmed and steamed, spears
• 1 avocado , sliced

For the sauce

• 4 tablespoons ketchup
• 1 teaspoon Dijon mustard
• 1 teaspoon Worcestershire sauce
• 2 teaspoons horseradish
• 4 tablespoons red wine vinegar
• 3 tablespoons mayonnaise
• 4 tablespoons vegetable oil
• 2 tablespoons scallion very finely chopped
• 1 garlic finely chopped, clove
• black pepper , freshly ground
• black peppercorns