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Classic Italian Pasta Salad

Colorful rotini pasta salad with fresh vegetables and Italian vinaigrette dressing.

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This vibrant pasta salad is the ultimate crowd-pleaser, perfect for potlucks, picnics, and easy weeknight meals. The key is dressing the warm pasta so it absorbs the flavorful vinaigrette, ensuring a perfect texture every time. It is endlessly adaptable and gets even better as it chills.

Ingredients

Scale
  • 1 pound short pasta (like rotini, fusilli, or farfalle)
  • 1 pint cherry or grape tomatoes, halved
  • 1 medium red onion, finely diced
  • 1 large bell pepper (any color), diced
  • 1 cup sliced black olives
  • 8 ounces fresh mozzarella pearls or cubed mozzarella
  • 1/2 cup thinly sliced pepperoni, halved (optional)
  • 1/2 cup fresh basil leaves, roughly torn
  • 3/4 cup extra virgin olive oil
  • 1/3 cup red wine vinegar
  • 2 cloves garlic, minced
  • 2 teaspoons dried oregano
  • 1 teaspoon dried basil
  • 1 teaspoon onion powder
  • 1 teaspoon salt, plus more for pasta water
  • 1/2 teaspoon freshly ground black pepper
  • 1/4 teaspoon red pepper flakes (optional)

Instructions

  1. Bring a large pot of generously salted water to a boil. Cook pasta according to package directions until al dente. Drain.
  2. While pasta cooks, make the vinaigrette by whisking together olive oil, red wine vinegar, minced garlic, dried oregano, dried basil, onion powder, salt, black pepper, and optional red pepper flakes in a small bowl or jar.
  3. Transfer the hot, drained pasta to a large mixing bowl. Immediately pour about two-thirds of the vinaigrette over the warm pasta and toss well to coat.
  4. Let the dressed pasta cool for 10-15 minutes.
  5. Add the halved tomatoes, diced red onion, diced bell pepper, sliced olives, mozzarella, optional pepperoni, and torn fresh basil to the bowl with the pasta.
  6. Pour the remaining vinaigrette over everything and gently toss until all ingredients are evenly combined.
  7. Cover the bowl and refrigerate the salad for at least 1 hour before serving to allow the flavors to meld.

Notes

For best results, do not skip dressing the pasta while it is still warm. The salad can be made a day ahead. Store leftovers in an airtight container in the refrigerator for up to 4 days. For a vegetarian version, omit the pepperoni. For gluten-free, use gluten-free pasta.

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