01 -
In a mixing bowl, whisk together sour cream, mayonnaise, vinegar, sugar, chopped dill, salt, and black pepper until fully blended. Set mixture aside to let the flavors develop.
02 -
Slice the onion thinly and submerge the slices in a bowl of cold water for several minutes to mellow the taste. Drain well before using.
03 -
Boil the pasta in a pot of salted water according to package directions until al dente. Rinse under cold water to stop the cooking, then drain thoroughly and set aside.
04 -
Halve the cucumber lengthwise and scoop out the seeds with a spoon. Slice the halves thinly for even texture throughout the salad.
05 -
In a large bowl, combine cooked pasta, drained onion, cucumber slices, and prepared dressing. Toss gently until evenly coated. Refrigerate for at least 40 minutes to blend the flavors before serving.