2–4 tablespoons milk or buttermilkoptional, for thinning
Instructions
In a medium bowl, whisk together mayonnaise and sour cream until smooth
Add vinegar (or lemon juice), Worcestershire sauce, garlic powder, and onion powder; mix well
Fold in blue cheese crumbles, lightly mashing some while leaving others chunky
Season with salt and black pepper to taste
Stir in milk or buttermilk a tablespoon at a time if a thinner consistency is desired
Cover and refrigerate for at least 30 minutes before serving
Notes
Use high-quality blue cheese for the most authentic steakhouse flavorDressing thickens slightly as it chillsBest made ahead for deeper flavorKeeps refrigerated in an airtight container for up to 5–7 daysPerfect for salads, steaks, burgers, and as a dipping sauce