Anonymous (University of New Mexico)
From Phantom Ranch in Grand Canyon; milk spoiled on the way down (probably apocryphal).
1/4 cup mayonnaise (60 ml)
1 tbsp buttermilk (15 ml)
1/2 tsp sugar (2.5 ml)
1/4 tsp vinegar (1.23 ml)
1/4 tsp garlic powder (1.23 ml)
1/4 tsp finely chopped fresh dill (1.23 ml)
1/4 tsp finely chopped fresh parsley (1.23 ml)
1/8 tsp onion powder (even less)
Combine all of the ingredients in a small bowl and let them chill for an hour or two.