How to make blue cheese sauce Roquefort Sauce Recipe Ingredients: 1 Cup mayonnaise ½ Cup crumbled blue cheese ¼ Cup liquid cream ¼ Cup milk 1 Tablespoon lemon juice ¼ Teaspoon salt 1 Tablespoon crushed garlic Method: Mix mayonnaise, 1/4 cup of blue cheese, milk and cream well in a bowl. Add lemon juice, salt and garlic, then mix well