In a blender, add 1 cup mayonnaise, ½ cup sour cream, ¼ cup buttermilk, 1 (1-ounce) packet ranch seasoning powder, 1 whole jalapeño, 2 teaspoons lime juice, ½ cup chopped fresh cilantro, and ¼ teaspoon salt
Blend until smooth and combined. Store in an airtight container in the refrigerator for up to 1 week.
Notes
Storage: Keep jalapeño ranch in an airtight jar or container in the fridge for up to 1 week. Stir or shake before using if ingredients settle.