Summer Vegetable Soup with Dill

Whisk the buttermilk and yogurt in a large bowl. Stir in the tomatoes, corn, fennel, cucumber, dill, 1 tsp. salt, and 1/4 tsp. pepper. Season to taste with more salt and pepper. Serve immediately or cover and refrigerate for up to 24 hours.

Serve the soup in chilled bowls, garnished with dill.