This easy cold pasta salad with tuna is a creamy, crunchy, satisfying make-ahead salad that comes together with simple pantry and refrigerator ingredients. Cook 8 ounces of short pasta for 8 to 10 minutes, cool it, then toss it with two cans of tuna, mayonnaise, sour cream or Greek yogurt, sweet relish, peas, celery, red onion, and Dijon mustard.
After at least 30 minutes of chilling, the flavors mingle into a wonderfully refreshing dish with tender pasta, savory tuna, sweet pickle notes, and crisp vegetables in every bite. It makes about 6 servings and is ideal for lunch, picnics, potlucks, light dinners, or an easy side dish when you want something filling without turning on the oven.
Jump to RecipeWhy You’ll Love This Recipe

This tuna pasta salad delivers the comfort of a creamy deli-style salad while keeping the preparation remarkably simple. There is no complicated cooking technique, and most of the work involves chopping a few vegetables, whisking a quick dressing, and combining everything in one large bowl.
The texture is one of its greatest strengths. Rotini catches the dressing in its spirals, peas add soft sweetness, celery contributes a crisp bite, and red onion gives the salad a gentle savory sharpness. Small pieces of tuna bring protein and a rich, savory flavor without overwhelming the creamy dressing.
It is also wonderfully flexible. Serve it as a light lunch with fruit, spoon it alongside grilled food, or bring it to a gathering where a chilled side dish is especially welcome. For another creamy, make-ahead favorite, you can also try our egg salad recipe when you want a different protein-based option.
Ingredients You’ll Need

Short pasta is the best foundation because it is easy to scoop and holds onto the dressing. Rotini is especially good for capturing the creamy mixture in its ridges, while elbow macaroni creates the familiar classic pasta-salad shape. Either choice works well, as do other short pasta varieties.
- Pasta: Use 8 ounces of rotini, macaroni, or another short shape.
- Tuna: Two drained 5-ounce cans provide savory flavor and satisfying protein. Tuna packed in water is the usual choice, while oil-packed tuna creates a richer salad.
- Creamy dressing: A half cup of mayonnaise plus a quarter cup of sour cream or plain Greek yogurt gives the salad body with a pleasantly tangy finish.
- Bright flavor: Sweet pickle relish, Dijon mustard, and pickle juice or lemon juice balance the richness with sweetness, tang, and gentle heat.
- Vegetables: Thawed peas, finely chopped celery, and red onion bring color and contrasting texture.
- Finishing touches: Fresh parsley is optional, while garlic powder or a chopped hard-boiled egg can add another layer of flavor.
Have all the vegetables chopped before draining the pasta so the salad can be assembled while the noodles are still cool. If you are preparing the dish for children or guests who prefer milder flavors, use a small amount of red onion and add more after tasting.
For a hearty meal-planning spread, pair this chilled salad with warm comfort food such as our easy turkey casserole on a larger family table.
How to Make It Step-by-Step

Step 1: Bring a large pot of water to a rolling boil and salt it generously. The pasta water should taste pleasantly seasoned because this is the main opportunity to flavor the noodles from the inside.
Step 2: Add the pasta and cook it according to the package directions, aiming for al dente texture, generally 8 to 10 minutes. Slightly firm pasta is preferable because it continues to absorb dressing as it chills and is less likely to become soft or mushy.
Step 3: Drain the pasta thoroughly, then rinse it briefly under cold running water. This stops the cooking process and cools the noodles, but avoid leaving them submerged or they can become watery and lose flavor.
Step 4: While the pasta drains, whisk the mayonnaise, sour cream or Greek yogurt, sweet pickle relish, Dijon mustard, kosher salt, black pepper, and 1 tablespoon of pickle juice or lemon juice in a large bowl. Add the optional garlic powder at this stage so it disperses evenly through the dressing.
Step 5: Add the cooled pasta, drained tuna, thawed peas, celery, red onion, and chopped parsley to the bowl. Make sure the peas are thawed and the tuna is well drained so the finished salad stays creamy rather than loose.
Step 6: Fold everything together gently with a large spoon or rubber spatula. Break the tuna into small, appealing pieces, but leave some chunks intact instead of blending it completely into the dressing.
Step 7: Cover the bowl and refrigerate the salad for at least 30 minutes and up to 1 hour before serving. This rest gives the pasta time to absorb the dressing and allows the pickle, mustard, tuna, and vegetables to taste like one balanced dish.
Step 8: Stir the salad before serving and taste it again. If it seems thick after chilling, mix in a spoonful of mayonnaise, yogurt, or pickle juice; add the second tablespoon of pickle juice or lemon juice only if more brightness is needed.
Pro Tips for Creamy Pasta Salad

Do not overcook the pasta. A noodle that is perfectly tender when hot may become too soft after absorbing dressing in the refrigerator, so stop cooking when it is just al dente.
Drain both the pasta and tuna carefully. Excess water from either ingredient can dilute the dressing, while well-drained ingredients help the mayonnaise mixture cling to every piece.
Reserve a few spoonfuls of dressing before adding the pasta, or simply keep extra mayonnaise and yogurt nearby. Chilled pasta absorbs moisture as it rests, and a quick refresh just before serving brings back the creamy consistency.
Cut the celery and red onion finely so their flavors are distributed throughout each serving rather than appearing in large, overpowering bites. Thaw the peas in the refrigerator or under cool water, then drain them before adding.
Taste after chilling rather than relying only on the first seasoning check. Cold foods can taste less salty and less aromatic, so the final stir is the right time to adjust with pickle juice, lemon juice, salt, or pepper.
For a potluck buffet, keep the salad cold until serving and set the bowl over a larger bowl of ice if it will be sitting out for a while. This keeps the creamy dressing pleasant and fresh during the meal.
If you are planning a full comfort-food spread, this cool salad is a nice contrast to our cheesy tater tot casserole, especially for brunches, family reunions, and casual weekend gatherings.
Easy Variations

The base recipe is delicious as written, but it welcomes simple changes based on what you have available. Chopped dill pickles can replace some or all of the sweet relish for a sharper flavor, while green onions offer a milder onion bite than red onion.
- Add finely chopped bell pepper for extra crunch and color.
- Stir in corn for another sweet, sunny note.
- Use chopped hard-boiled egg for a more substantial deli-style salad.
- Swap rotini for elbow macaroni for a traditional presentation.
- Choose oil-packed tuna when you want a richer, more pronounced tuna flavor.
- Use plain Greek yogurt for some or all of the sour cream when you prefer a tangier dressing.
For a fresh herb variation, increase the parsley or add a small amount of another soft herb you enjoy. Keep the core dressing proportions in place so the pasta remains coated and the salad does not become watery.
This chilled side also works well beside a warm bowl of Mexican chicken tortilla soup. The cool, creamy pasta provides a gentle contrast to a spicy or richly seasoned main dish.
Storage and Serving Advice

Cover the finished salad and refrigerate it promptly. It is best served cold after at least 30 minutes of chilling, and stirring before serving redistributes the dressing and vegetables.
Pasta salad often thickens in the refrigerator because the noodles absorb the dressing. Add a spoonful of mayonnaise, sour cream, Greek yogurt, or pickle juice to loosen it, then taste before adding more salt or pepper.
For serving, place the salad in a chilled bowl and scatter a little parsley over the top. A few visible peas, red onion pieces, and tuna flakes make the dish look colorful and inviting without requiring elaborate decoration.
This recipe is particularly useful for make-ahead lunches because the flavors become more integrated as the salad rests. Pack it with an ice pack when transporting it, and return leftovers to the refrigerator promptly after serving.
If you are assembling a buffet with several make-ahead dishes, consider adding our slow cooker meatballs for a warm, savory option alongside this refreshing cold salad.

Easy Cold Pasta Salad with Tuna
Ingredients
Method
- Bring a large pot of generously salted water to a boil. Cook the pasta according to the package directions until al dente, usually 8 to 10 minutes.
- Drain the pasta and rinse it briefly under cold water to stop the cooking and cool it. Drain very well so excess water does not thin the dressing.
- In a large bowl, whisk together the mayonnaise, sour cream or Greek yogurt, sweet pickle relish, Dijon mustard, kosher salt, black pepper, and 1 tablespoon of pickle juice or lemon juice.
- Add the cooled pasta, drained tuna, thawed peas, chopped celery, red onion, and parsley to the bowl. Add garlic powder or chopped hard-boiled egg if desired.
- Fold gently until the ingredients are evenly coated. Break the tuna into small pieces while leaving some visible chunks for a pleasant texture.
- Cover and refrigerate for at least 30 minutes and up to 1 hour before serving. Stir well before serving, adding a spoonful of mayonnaise, yogurt, or pickle juice if the salad has thickened.
Notes
Final Thoughts
This easy cold pasta salad with tuna is the kind of dependable recipe that earns a regular place in the meal rotation. It uses familiar ingredients, takes about 15 to 20 minutes of preparation plus 8 to 10 minutes of cooking, and needs only 30 minutes to 1 hour in the refrigerator before it is ready to enjoy.
The combination of creamy dressing, tender al dente pasta, savory tuna, sweet relish, peas, celery, and red onion gives every bite a satisfying balance. Keep a little extra dressing on hand for serving, taste after chilling, and feel free to add the optional egg, garlic powder, or favorite crunchy vegetables.
Whether you serve it at a picnic, pack it for lunch, or place it beside a family dinner, this tuna pasta salad is cool, colorful, filling, and easy to share. It is a simple recipe with the flavor and texture of a well-loved deli classic.