Creating a delicious Creamy Pasta Salad is straightforward if you follow these steps:

1. Cook the Pasta: Bring a large pot of salted water to a boil. Add the pasta and cook according to package instructions until al dente. Drain and rinse under cold water to cool.
2. Prepare the Vegetables: While the pasta cooks, chop the cherry tomatoes, cucumber, bell pepper, and red onion. Set aside.
3. Mix the Dressing: In a large bowl, combine the mayonnaise, sour cream, Dijon mustard, apple cider vinegar, garlic powder, oregano, salt, and pepper. Whisk until smooth.
4. Combine Ingredients: In a large mixing bowl, add the cooled pasta, prepared vegetables, and thawed peas. Pour the dressing over the mixture and toss to combine thoroughly.
5. Adjust Seasoning: Taste and adjust seasoning as needed. You can add more salt, pepper, or even a pinch of sugar if desired.
6. Chill: Cover the bowl with plastic wrap or a lid and refrigerate for at least 30 minutes to allow the flavors to meld.
7. Serve: Give the salad a gentle toss before serving. Garnish with fresh parsley for an extra touch of color and flavor.

These simple steps will help you create a delightful Creamy Pasta Salad that will impress anyone who tastes it.