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Costco Tortellini Pasta Salad Copycat - Easy Deli Style Recipe

Recreate that beloved deli-style tortellini pasta salad right in your own kitchen with this easy copycat recipe. Perfect for potlucks, parties, or quick weeknight dinners, this creamy salad comes together in under 30 minutes and tastes even better than the original.
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Prep Time 20 minutes
Cook Time 10 minutes
Total Time 1 hour 30 minutes
Servings: 6 servings
Calories: 420
Ingredients Method Notes

Ingredients
  

Ingredients
  • 1 package (20 oz) cheese tortellini
  • 1 cup cherry tomatoes, halved
  • 1 cup cucumber, diced
  • 1/2 cup red onion, finely chopped
  • 1/2 cup black olives, sliced
  • 1/2 cup pepperoncini, sliced
  • 1 cup mozzarella pearls or cubed mozzarella
  • 1/4 cup fresh basil, chopped
  • 1/4 cup fresh parsley, chopped
  • 1 cup mayonnaise
  • 1/4 cup sour cream
  • 2 tablespoons red wine vinegar
  • 1 tablespoon Dijon mustard
  • 1 teaspoon garlic powder
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon salt

Method
 

Instructions
  1. Cook the tortellini according to package directions. Drain and rinse with cold water to stop the cooking process. Let it cool completely.
  2. While the tortellini cools, prepare the vegetables. Halve the cherry tomatoes, dice the cucumber, chop the red onion, and slice the black olives and pepperoncini.
  3. In a small bowl, whisk together all the dressing ingredients until smooth and well combined. Taste and adjust seasoning if needed.
  4. In a large mixing bowl, combine the cooled tortellini, prepared vegetables, mozzarella, and fresh herbs.
  5. Pour the creamy dressing over the salad and gently toss until everything is evenly coated.
  6. Cover and refrigerate for at least 1 hour before serving to allow the flavors to meld together.

Notes

Make this salad a few hours ahead or the night before for best flavor development. Don't overcook the tortellini - they should be al dente. For a lighter version, substitute Greek yogurt for half of the mayonnaise. Keeps well refrigerated for 3-4 days.