Step 1

Bring a pot of salted water to a boil and add pasta. Cook pasta according to package directions.

Step 2

While pasta cooks, halve tomatoes, slice the cucumber, and onion. Chop the dill, parsley, and basil. Put all ingredients into a large bowl.

Step 3

To a small bowl or mason jar, add sour cream, mayonnaise, red wine vinegar, sugar, garlic powder, salt, and pepper. Whisk together or shake to combine.

Step 4

Drain and rinse the cooked pasta. After cooling for 5 minutes, add it to the bowl with the chopped vegetables and herbs. Pour dressing over and toss to combine. Taste and adjust seasoning. Cover and refrigerate for 1 hour before serving.