This multipurpose dressing makes a perfect dip for crudités and a great go-with for grilled steak, or swap it for the mayonnaise in chicken salad. Slideshow: More Salad Dressing Recipes
Scoop the avocado into a blender. Add the lime juice, garlic and 1/4 cup of water and pulse to blend. With the machine on, slowly drizzle in the olive oil until incorporated. Transfer the dressing to a bowl, stir in the tarragon and season with salt.