1 cup buttermilk
1 cup mayonnaise (preferably homemade)
1 cup full-fat yogurt
1 teaspoon each dried dill, oregano, and garlic
1 lemon juiced
1 teaspoon each kosher salt and cracked black pepper.
Mix everything together. Taste. The dressing might taste a bit more muted than you want, but beware of adding too much more seasoning.
Allow the dressing to sit for a day. Taste. Yeah, that's it.
Use in any fashion you wish.
Serves 8 to 10. Or fewer. Or more. Depending. (Really, it makes 3 cups.)