- 1 pound lump crabmeat, picked over for shells
- ½ cup saltine crumbs, divided
- 3 scallions, minced
- 2 tablespoons melted butter, plus 1 tablespoon softened butter
- 2 tablespoons mayonnaise
- 1 large egg yolk
- 1 tablespoon Dijon mustard
- 3 teaspoons hot sauce
- 1½ teaspoons Old Bay seasoning
- Lemon wedges, for serving
