01 - Boil pasta in salted water until al dente per package directions. Drain thoroughly, rinse under cold water until cooled, and set aside.
02 - Whisk together olive oil, lemon juice, Dijon mustard, minced garlic, parsley, dill, salt, and pepper in a large mixing bowl until emulsified.
03 - Add cooled pasta, cherry tomatoes, cucumber, red bell pepper, and spring onions to the dressing. Toss gently to coat evenly.
04 - Fold cottage cheese into the salad using a spatula until evenly distributed throughout the mixture.
05 - Taste and adjust seasoning with additional lemon juice, salt, or pepper as needed. Refrigerate for at least 15 minutes to allow flavors to meld before serving.