Equipment
Ingredients
Dairy Base
- 120 g mayonnaise, full-fat
- 120 g sour cream, full-fat
- 120 ml buttermilk, well-shaken
Aromatics and Seasonings
- 5 g fresh dill, finely chopped
- 5 g fresh chives, finely chopped
- 5 g flat-leaf parsley, finely chopped
- 1 garlic, minced or grated
- 2 g onion powder
- 3 g fine sea salt
- 2 g black pepper, freshly cracked
- 5 ml white wine vinegar
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 88 kcal
- Protein
- 1 g
- Carbohydrates
- 2 g
- Fat
- 9 g
- Fiber
- 0 g
- Sugar
- 1 g
- Sodium
- 184 mg
- Saturated Fat
- 2 g
- Trans Fat
- 0 g
- Monounsaturated Fat
- 2 g
- Polyunsaturated Fat
- 5 g
- Cholesterol
- 8 mg
- Potassium
- 50 mg
- Calcium
- 30 mg
- Iron
- 0.1 mg
- Magnesium
- 3 mg
- Phosphorus
- 20 mg
- Zinc
- 0.1 mg
- Vitamin A
- 18 mcg
- Vitamin C
- 1 mg
- Vitamin D
- 0.0 mcg
- Vitamin E
- 0.4 mg
- Vitamin K
- 23 mcg
- Vitamin B6
- 0.0 mg
- Vitamin B12
- 0.1 mcg
- Thiamin
- 0.01 mg
- Riboflavin
- 0.03 mg
- Niacin
- 0.0 mg
- Folate
- 4 mcg
- Water
- 20 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Finely mince the garlic and uniformly chop the fresh dill, chives, and parsley.
In a medium mixing bowl, combine the mayonnaise, sour cream, and buttermilk. Whisk vigorously until the mixture is perfectly smooth and homogenized.
Add the minced garlic, chopped herbs, onion powder, sea salt, black pepper, and white wine vinegar to the dairy mixture. Gently whisk or stir to evenly distribute all the seasonings.
Cover the bowl tightly and refrigerate for at least 30 minutes before serving. This resting period is critical, as it allows the dried spices to hydrate and the pungent allium flavors to mellow and permeate the dressing.
Chef's Notes
- For a thicker, dip-like consistency perfect for vegetables or potato chips, reduce the buttermilk to 60ml or omit it entirely.
- Using freshly cracked black pepper rather than pre-ground pepper powder is essential for achieving the authentic ranch flavor profile.
- If using dried herbs instead of fresh, use one-third of the volume listed. However, fresh herbs provide a significantly brighter, more vibrant dressing.
- Do not judge the seasoning immediately after mixing. The flavor profile will change dramatically after the 30-minute chilling period as the garlic mellows and the herbs release their essential oils.
Storage
Refrigerator: 1 week — Store in an airtight jar in the coldest part of the refrigerator.
Troubleshooting
Dressing is too thin and watery
Cause: Too much buttermilk was added, or low-fat dairy products were used instead of full-fat
Fix: Whisk in 15 to 30 grams of additional mayonnaise or sour cream until the emulsion thickens
Prevention: Add the buttermilk gradually until the desired consistency is reached, and always use full-fat mayonnaise and sour cream for stability
Flavor is flat or lacks depth
Cause: Insufficient resting time or using pre-ground black pepper
Fix: Add a pinch more salt, an extra splash of vinegar, and let it rest for another 15 minutes
Prevention: Allow the dressing to rest in the refrigerator for the full 30 minutes and use freshly cracked black pepper
Cultural Context
Created in the early 1950s by Steve Henson at Hidden Valley Ranch in California, this buttermilk-based sauce quickly became the most popular salad dressing in the United States. Its unique combination of lactic tang and savory alliums has since evolved into an iconic American flavor profile used on everything from pizza to fried foods.
