Combine mayonnaise, Dijon, Worcestershire, Old Bay, lemon juice, and egg in a bowl. Add green onions, parsley, and crab meat. Fold in panko, form into patties, and refrigerate.
Melt butter. Blend egg yolks, lemon juice, and salt, then slowly drizzle in hot butter until thickened. Season with cayenne and keep warm.
Heat water with vinegar and salt to a gentle simmer. Crack eggs into small bowls, slide into water, and poach 3–4 minutes. Drain on paper towel.
Sear crab cakes in skillet 3–4 minutes per side until golden brown. Toast English muffins.
Place crab cake on each muffin half, top with poached egg, spoon hollandaise, garnish with chives and Old Bay, and serve with lemon wedges.
Notes
Nutrition information is automatically calculated and should be considered an approximation. Actual values may vary based on specific ingredients used and portion sizes