1/2 cup sour cream
1/4 cup mayonnaise
1/4 cup milk
3/4 teaspoon minced garlic
1/2 teaspoon Worcestershire sauce
1 pinch white sugar
1 pinch ground white pepper
1 pinch ground cayenne pepper
2 heads butter lettuce – rinsed, and torn
1 small sweet onion, thinly sliced
1 (11 ounce) can mandarin oranges, drained
5 ounces fresh sliced mushrooms
salt and pepper to taste
Prepare the dressing by whisking together the sour cream, mayonnaise, milk, garlic, Worcestershire sauce, sugar, white pepper and cayenne pepper. Store in an air-tight container and refrigerate.
Prepare the salad in a large bowl by combining the lettuce, onion, oranges and mushrooms. Add enough dressing to coat and toss. Sprinkle with salt and pepper and add croutons if desired.