adapted from Lilia Tyrrell in Edible Bozeman, Spring 2021; makes about 4 cups
Add the fresh herbs to a food processor and pulse until finely chopped.
Add the yogurt, sour cream, mayonnaise, zest and juice from 1 lemon, olive oil, Dijon, and horseradish to a food processor. Season generously with salt and plenty of black pepper. Blend and transfer to glass storage to chill (ideally at least 1 hour before serving).
(Feel free to change the ratio of these creamy ingredients to suit your preference; aim for 3 cups total.)