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This colorful and flavorful Italian Pasta Salad is the perfect make-ahead dish for picnics, barbecues, or family gatherings. Loaded with tri-color rotini, cherry tomatoes, mozzarella, and summer sausage, it’s tossed in zesty Italian dressing for a refreshing and satisfying bite every time.

Ingredients

12 oz tri-color rotini pasta
2 cups cherry tomatoes, halved (use less if desired)
1 cup summer sausage, julienned
1 cup fresh mozzarella pearls
½ cup Italian green olives (such as Castelvetrano)
½ cup red onion, finely diced
½ cup sliced peperoncini (optional)
¼ cup freshly grated Parmesan cheese
1 cup Italian dressing (or to taste)
Fresh parsley or basil, for garnish

Instructions

Cook the Pasta
Bring a large pot of salted water to a boil. Add the rotini and cook until al dente, about 7–9 minutes. Drain the pasta and rinse with cold water to stop the cooking and cool it down completely.
Combine Ingredients
In a large mixing bowl, add the cooked pasta, cherry tomatoes, summer sausage, mozzarella pearls, olives, red onion, peperoncini (if using), and Parmesan cheese.
Add Dressing
Pour the Italian dressing over the mixture and toss until everything is evenly coated. Adjust the amount of dressing to your preference.
Chill and Serve
You can serve the pasta salad immediately, but for the best flavor, cover and refrigerate it for at least 1 hour to let the ingredients soak up the dressing.
Garnish
Just before serving, sprinkle with fresh parsley or basil. Serve chilled and enjoy!

Why You’ll Love This Recipe

Quick and easy — ready in under 30 minutes.
Colorful and crowd-pleasing, perfect for summer gatherings.
Make-ahead friendly, so it’s great for parties and picnics.
Balanced mix of fresh, tangy, and savory flavors.

Tips

Don’t overcook the pasta — slightly firm (al dente) pasta holds up better in the salad.
Rinse the pasta with cold water to keep it from sticking together.
Let the salad chill before serving for deeper flavor.
Add a bit of extra dressing before serving if the pasta has absorbed too much.

Variations and Substitutions

Vegetarian version: Omit the summer sausage or replace it with grilled vegetables.
Different protein: Swap sausage for diced ham, salami, or grilled chicken.
Cheese swap: Try feta, provolone, or cubed cheddar instead of mozzarella.
Olive options: Substitute black olives or kalamata if you prefer.
Dressing ideas: Try balsamic vinaigrette or a homemade Italian dressing for a twist.

FAQs

Q: How far in advance can I make this pasta salad?
It’s best made 1 day in advance — just keep it refrigerated and add a little extra dressing before serving.

Q: Can I use another type of pasta?
Yes! Bow-tie, penne, or fusilli all work well.

Q: How do I store leftovers?
Store covered in the refrigerator for up to 3 days. Stir before serving.

Serving and Suggestions

Serve this Italian Pasta Salad as a side dish with grilled meats, sandwiches, or burgers. It’s perfect for potlucks, summer BBQs, and picnics. For a complete meal, pair it with garlic bread and iced tea.