15-Minute Tuna and Cheddar Pasta Salad

Prep: 15 min4 servingsmediumAmerican
Tuna and Cheddar Pasta Salad with Roasted Peppers

A refreshing make-ahead pasta salad combining tender fusilli, sharp cheddar, flaked tuna, and roasted red peppers, bound with creamy garlic dressing. Fresh basil, celery, and peas add brightness and crunch, while toasted cashews provide textural contrast. Perfect for picnics, potlucks, and warm-weather gatherings. The 2-8 hour chill allows flavors to meld, making this ideal for advance preparation.

Ingredients

4 servings
  • 2 cups dried tri-colored fusilli or rotini pasta, cooked and cooled
  • ¾ cup sharp cheddar or provolone cheese, diced
  • cup frozen peas, thawed or unthawed
  • ½ cup celery, diced
  • 2 tablespoons fresh basil leaves, thinly sliced
  • ½ cup creamy roasted garlic or peppercorn ranch salad dressing
    Italian vinaigrette1/2 cuplighter option

    tangier profile

  • 7 ounces chunk tuna in water, drained
    rotisserie chicken7 ounces shreddedpoultry swapfish-free

    less briny

    Full guide →
  • 1 jar (7 ounces) roasted red peppers, drained and coarsely chopped
  • romaine lettuce leaves, for serving
  • cup roasted cashews, unsalted or lightly salted
    sunflower seeds1/3 cupnut-freetree_nuts-free

    similar crunch

    Full guide →

Instructions

  1. 1

    Cook pasta according to package directions, then drain thoroughly.

  2. 2

    Rinse pasta with cold water and drain again to stop cooking.

  3. 3

    Transfer pasta to large bowl.

  4. 4

    Stir in cheese, peas, celery, basil, tuna, and roasted red peppers.

  5. 5

    Pour salad dressing over mixture and toss gently to combine.

  6. 6

    Cover and refrigerate 2 to 8 hours.

  7. 7

    Before serving, add additional dressing by tablespoonfuls if pasta appears dry.

  8. 8

    Arrange romaine leaves in serving bowl or on chilled plates.

  9. 9

    Top with pasta mixture.

  10. 10

    Sprinkle cashews over top.

Tips

Tip 1

Prepare up to 8 hours ahead: this salad actually improves as it sits, allowing flavors to blend. Refresh with extra dressing just before serving if pasta seems dry.

Tip 2

Toast your own cashews in a dry skillet over medium heat for 3-4 minutes to enhance their flavor, or add them right before serving to keep them crisp.

Tip 3

Substitute fresh mozzarella, Swiss, or gouda for cheddar depending on flavor preference; use same quantity.

Good to Know

Storage

Covered in refrigerator up to 3 days. The pasta will continue absorbing dressing; refresh with additional salad dressing if needed before serving.

Make Ahead

Prepare fully through step 6 up to 8 hours in advance. Stir in additional dressing just before step 7. Do not add cashews until serving to preserve crunch.

Serve With

Serve cold on a bed of romaine lettuce in a chilled bowl or on individual chilled plates. Garnish with cashews just before serving.

See pairing guide →

Common Mistakes

Watch

Do not skip the cold water rinse after draining hot pasta; this stops carryover cooking and prevents mushiness.

Watch

Do not add dressing immediately before serving; toss gently after refrigeration and add dressing incrementally to avoid an overly wet salad.

Watch

Do not add cashews more than 15 minutes before serving to prevent them from softening.

Substitutions

Dairy-Free Swaps

cheddar cheese
fresh mozzarella3/4 cupdairy-free

milder flavor

Full guide →

Nut-Free Alternatives

cashews
sunflower seeds1/3 cupnut-freetree_nuts-free

similar crunch

Full guide →

General Alternatives

tuna
rotisserie chicken7 ounces shreddedpoultry swapfish-free

less briny

Full guide →
tuna
chickpeas1 can (15 ounces) drainedplant-basedfish-free

hearty and vegan

Full guide →
peppercorn ranch
Italian vinaigrette1/2 cuplighter option

tangier profile

Find more substitutions →

FAQ

Can I use fresh tuna instead of canned?

Yes. Cook 7 ounces fresh tuna steak until opaque (about 4-5 minutes per side depending on thickness), cool, and flake into bite-sized pieces. Proceed with recipe as written.

What if I don't have romaine lettuce?

Substitute any crisp lettuce (iceberg, butter lettuce) or serve the pasta mixture on its own without a lettuce base. The lettuce is optional and mainly provides structure and freshness.

How long can I keep this salad in the refrigerator?

Store covered for up to 3 days. The pasta will continue absorbing dressing, so refresh with 1-2 tablespoons additional dressing before serving. Cashews are best added just before serving.