Pour mixture through a fine wire-mesh strainer into a bowl; press with the back of a spoon to extract as much liquid as possible. Discard solids. Stir in vinegar; cover and chill 4 to 8 hours. Pour into 6 (4-ounce) glasses; add toppings.
Pesto: Add a swirl of store-bought or homemade pesto to each serving.
Bacon: Top every serving with 1 tsp. each sour cream and chopped cooked thick-cut bacon and 1/2 tsp. sliced scallions.