
The first time I made this Spaghetti Salad Supreme, it was a total act of desperation. My sister called on a Friday night to say the family reunion was the next morning, everyone was bringing a dish, and I had a box of spaghetti, half a bag of sad-looking vegetables, and no intention of turning on the oven in July.
I broke the spaghetti into thirds, boiled it, rinsed it cold, and threw in every crisp thing in the crisper drawer. A generous pour of Italian dressing, a heavy hand with the pasta and salad seasoning, and into the fridge it went overnight. I honestly expected it to be the forgettable bowl on the end of the table.
It came home empty. Scraped-clean empty, with three people asking for the recipe before I made it to the car. That is when it earned the word “Supreme” in our house, and it has been my default potluck contribution ever since. It costs almost nothing, it feeds a crowd, and it genuinely tastes better the longer it sits.

Why This Recipe Works
- Cold-rinsed pasta stays separate. Rinsing washes off surface starch, so you get distinct strands that catch dressing instead of one sticky clump.
- Broken spaghetti is easier to eat. Snapping the strands into thirds makes this scoopable with a serving spoon and forkable on a crowded plate.
- Bottled Italian dressing does double duty. It seasons and lightly pickles the raw vegetables at the same time, so no separate marinade step is needed.
- The pasta and salad seasoning is the secret. That coarse blend of herbs, garlic, and cracked pepper is what separates this from every bland pasta salad you have politely eaten at a barbecue.
- It is engineered for making ahead. An hour in the fridge is the minimum, but overnight is genuinely better. Nothing wilts, nothing gets soggy.
Key Ingredient Notes
Spaghetti. Regular dry spaghetti is what gives this salad its signature look and texture. Thin spaghetti or angel hair will work in a pinch, but they soften faster and can turn limp after a night in the dressing. Cook to a true al dente, on the firmer end of the package range, because the pasta continues to soften slightly as it chills.
Roma tomatoes. Romas are the right choice here specifically because they are drier and meatier than slicing tomatoes. A watery beefsteak will weep into the bowl and thin out your dressing. If you only have larger tomatoes, seed them first. Grape or cherry tomatoes, halved, are an excellent swap.
Cucumber. An English or Persian cucumber needs no peeling and has almost no seeds, which keeps the salad crisp. If you are using a standard garden cucumber, peel it and scrape out the seed core with a spoon before dicing.
Sweet onion. Vidalia, Walla Walla, or any sweet variety keeps the bite gentle. A red onion works beautifully for color, but soak the chopped pieces in cold water for ten minutes first to tame the sharpness.
Italian dressing. A standard zesty bottled Italian is the classic, and there is no shame in it. A creamy Italian makes a richer, more clingy salad. If you prefer homemade, whisk olive oil, red wine vinegar, garlic, and dried oregano, but keep it on the tangy side because pasta absorbs a surprising amount of acidity.
Pasta and salad seasoning. Johnny’s is the one most families reach for, but Salad Supreme by McCormick is the direct equivalent and works identically. In a pinch, combine sesame seeds, paprika, celery salt, garlic powder, and plenty of coarse black pepper.

Pro Tips for Success
- Salt the pasta water well. It is the only chance the spaghetti itself gets to be seasoned from the inside.
- Drain thoroughly after rinsing. Let the colander sit for a few minutes and shake it. Trapped water dilutes the dressing and makes the salad taste flat.
- Dice the vegetables to a similar size. Roughly a quarter inch means every forkful gets a bit of everything.
- Slice the carrots paper thin. Use a peeler or mandoline. Thick carrot coins stay hard and stick out awkwardly against soft pasta.
- Do not dress it hot. Warm pasta drinks up the dressing greedily and you end up with a dry salad an hour later.
- Hold back a splash of dressing. Toss in a couple extra tablespoons right before serving to refresh everything after chilling.
Variations and Substitutions
Make it a main dish. Fold in diced rotisserie chicken, salami and pepperoni, or a can of drained chickpeas to turn this into lunch instead of a side.
Add cheese and olives. Cubed provolone or mozzarella pearls plus sliced black olives push it into full antipasto territory. A handful of shredded parmesan works too.
Change the pasta. Rotini, bowties, or penne all work if you prefer a more traditional shape. If you love this style of chilled pasta bowl, our California Spaghetti Salad is the closest cousin, and the Doritos Taco Pasta Salad takes the same idea in a completely different, crunchier direction.
Bring the heat. A pinch of crushed red pepper flakes or a few slices of pepperoncini stirred through adds a low, pleasant burn.
Go lighter. Swap half the pasta for extra diced vegetables. If you want to skip pasta entirely, our Cucumber Tomato Salad delivers the same fresh, dressing-marinated flavor with no noodles at all.

Storage Instructions
Store Spaghetti Salad Supreme in an airtight container in the refrigerator for up to 4 days. It is at its absolute best on days one and two; by day three the cucumbers begin to soften, though the flavor is still excellent.
Give it a good stir before serving, since the dressing settles to the bottom of the bowl. If it looks dry, add a tablespoon or two of fresh Italian dressing and a light sprinkle of seasoning to wake it back up.
This salad does not freeze. Cooked pasta and raw cucumber both turn mushy and watery when thawed, so make only what you plan to eat within a few days. It is always served cold, straight from the refrigerator, and never needs reheating.

Frequently Asked Questions
Why do you break the spaghetti before cooking it?
Breaking the strands into thirds makes the salad far easier to serve and eat. Full-length spaghetti tangles into ropes that are difficult to scoop with a serving spoon and awkward to eat off a paper plate.
Do I really have to rinse the pasta with cold water?
Yes. Rinsing stops the cooking immediately and removes surface starch, which is what keeps the strands from gluing together as they chill. It is the single most important step in the recipe.
How far in advance can I make Spaghetti Salad Supreme?
Up to 24 hours ahead, and it is genuinely better that way. One hour of chilling is the minimum, but overnight gives the seasoning and dressing time to fully penetrate the pasta.
What can I use instead of Johnny’s pasta and salad seasoning?
McCormick Salad Supreme is a direct one-to-one substitute. You can also mix your own from sesame seeds, paprika, celery salt, garlic powder, and coarse black pepper.
Why is my pasta salad dry the next day?
Pasta keeps absorbing dressing as it sits, especially if it was still warm when dressed. Stir in two to three extra tablespoons of Italian dressing just before serving and it will come right back.
Can I serve this warm?
No, this is a cold salad by design. Serving it warm makes the raw vegetables taste bitter and causes the oil in the dressing to separate and coat everything heavily.

Spaghetti Salad Supreme
Ingredients
- 16 ounces spaghetti
- 2 medium Roma tomatoes diced
- 1 medium cucumber diced
- 1 small sweet onion chopped
- ½ red pepper diced
- 1-2 carrots finely sliced
- ¾ cup Italian dressing
- 2 tablespoons pasta and salad seasoning such as Johnny’s
- Salt to taste
Instructions
- Bring a large saucepan of salted water to a rolling boil. Break the dry spaghetti into three shorter segments and add it to the boiling water.
- Cook the spaghetti until al dente according to the package directions. Drain immediately and rinse thoroughly under cold running water.
- Place the cooled, well-drained spaghetti in a large mixing bowl. Add the diced Roma tomatoes, cucumber, sweet onion, red pepper, and finely sliced carrots.
- Toss the pasta and vegetables until evenly combined. Pour in the Italian dressing, sprinkle with the pasta and salad seasoning, and toss again.
- Taste and add salt as needed. Cover the bowl and refrigerate for at least 1 hour before serving.
