Blue Cheese Burgers
["1/4 pound blue cheese crumbled", "1/3 mayonnaise", "1/3 cup milk", "1 teaspoon white vinegar", "1/4 teaspoon ground red pepper", "1/8 teaspoon salt", "1 1/2 pound ground beef"]
["Reserve 2 tablespoons blue cheese for garnish.", "In blender at low speed blend mayonnaise, milk, vinegar, red pepper, salt and remaining blue cheese until smooth.", "Set aside."]
["blue cheese", "mayonnaise", "milk", "white vinegar", "ground red pepper", "salt", "ground beef"]