This vibrant rainbow pasta salad is a feast for both the eyes and the taste buds. Perfect for a summer picnic or a light lunch, it combines colorful vegetables with a tangy dressing and a hint of feta cheese. It's not only delicious but also packed with nutrients.
While most of the ingredients for this rainbow pasta salad are common, you might need to pay special attention to feta cheese and red wine vinegar. These items might not be staples in every household, so make sure to check the dairy and condiments sections of your supermarket.

Ingredients for Rainbow Pasta Salad Recipe
Rotini pasta: A spiral-shaped pasta that holds onto the dressing well.
Cherry tomatoes: Sweet and juicy, they add a burst of flavor and color.
Cucumber: Adds a refreshing crunch to the salad.
Bell peppers: Use mixed colors for a vibrant look and sweet taste.
Red onion: Provides a sharp, tangy flavor that balances the sweetness of the other vegetables.
Black olives: Adds a salty, briny element to the salad.
Feta cheese: Crumbled for a creamy, tangy addition.
Olive oil: The base of the dressing, adding richness and flavor.
Red wine vinegar: Provides acidity and tang to the dressing.
Dijon mustard: Adds a bit of spice and helps emulsify the dressing.
Garlic: Minced for a pungent, aromatic flavor.
Dried oregano: Adds a hint of earthy, herbal flavor.
Salt: Enhances the flavors of all the ingredients.
Pepper: Adds a bit of heat and depth to the salad.
Technique Tip for Making This Salad
When preparing the pasta, make sure to cook it al dente, which means it should be firm to the bite. This will ensure that the rotini holds up well when mixed with the other ingredients and doesn't become mushy. After cooking, rinse the pasta under cold water to stop the cooking process and to cool it down quickly, which helps in maintaining the texture.
Suggested Side Dishes
Alternative Ingredients
uncooked rotini pasta - Substitute with uncooked penne pasta: Penne pasta has a similar texture and will hold the dressing well.
uncooked rotini pasta - Substitute with whole wheat pasta: For a healthier option with more fiber.
halved cherry tomatoes - Substitute with grape tomatoes: They have a similar size and sweetness.
halved cherry tomatoes - Substitute with diced Roma tomatoes: Roma tomatoes are less juicy and will keep the salad from getting soggy.
diced cucumber - Substitute with diced zucchini: Zucchini has a similar crunch and mild flavor.
diced cucumber - Substitute with diced celery: Celery adds a different kind of crunch and a slightly different flavor profile.
diced, mixed colors bell peppers - Substitute with diced roasted red peppers: Roasted red peppers add a smoky flavor and vibrant color.
diced, mixed colors bell peppers - Substitute with diced carrots: Carrots add a different crunch and a touch of sweetness.
finely chopped red onion - Substitute with finely chopped green onions: Green onions are milder and add a fresh flavor.
finely chopped red onion - Substitute with finely chopped shallots: Shallots have a milder, sweeter taste compared to red onions.
sliced black olives - Substitute with sliced green olives: Green olives provide a different but equally briny flavor.
sliced black olives - Substitute with capers: Capers add a similar briny flavor and a bit of tanginess.
crumbled feta cheese - Substitute with crumbled goat cheese: Goat cheese has a similar texture and tangy flavor.
crumbled feta cheese - Substitute with crumbled blue cheese: Blue cheese adds a stronger, more pungent flavor.
olive oil - Substitute with avocado oil: Avocado oil has a similar healthy fat profile and a mild flavor.
olive oil - Substitute with grapeseed oil: Grapeseed oil is neutral in flavor and works well in dressings.
red wine vinegar - Substitute with apple cider vinegar: Apple cider vinegar adds a similar tangy flavor with a hint of fruitiness.
red wine vinegar - Substitute with balsamic vinegar: Balsamic vinegar adds a sweeter, richer flavor.
dijon mustard - Substitute with whole grain mustard: Whole grain mustard has a similar flavor with added texture.
dijon mustard - Substitute with yellow mustard: Yellow mustard is milder but still adds a tangy flavor.
minced garlic - Substitute with garlic powder: Garlic powder provides a similar flavor without the texture.
minced garlic - Substitute with shallot: Shallots add a milder, sweeter garlic-like flavor.
dried oregano - Substitute with dried basil: Dried basil provides a different but complementary herb flavor.
dried oregano - Substitute with Italian seasoning: Italian seasoning includes oregano and other herbs for a similar flavor profile.
salt - Substitute with sea salt: Sea salt provides a similar salty flavor with a slightly different texture.
pepper - Substitute with white pepper: White pepper adds a similar heat with a slightly different flavor.
Other Alternative Recipes Similar to This Salad
How to Store or Freeze This Salad
- To keep your rainbow pasta salad fresh and vibrant, store it in an airtight container in the refrigerator. This will help maintain the crispness of the vegetables and the flavor of the dressing.
- If you plan to enjoy the salad over several days, consider storing the dressing separately. This prevents the pasta and vegetables from becoming soggy. Simply toss the salad with the dressing just before serving.
- For optimal freshness, consume the salad within 3-4 days. The cherry tomatoes and cucumber can release moisture over time, which may affect the texture.
- If you need to freeze the salad, it's best to do so without the dressing. The pasta and vegetables can be frozen in a freezer-safe container for up to 2 months. Thaw in the refrigerator overnight and add the dressing before serving.
- When freezing, consider blanching the bell peppers and cucumber briefly before freezing to help them retain their texture. Simply immerse them in boiling water for a minute, then transfer to an ice bath before freezing.
- Avoid freezing feta cheese as it can become crumbly and lose its creamy texture. Add fresh feta after thawing the salad.
- Label your containers with the date to keep track of storage times. This ensures you enjoy your rainbow pasta salad at its best quality.
- When ready to serve, give the salad a good toss to redistribute the dressing and flavors. If needed, add a splash of olive oil or red wine vinegar to refresh the taste.
How to Reheat Leftovers
Stovetop Method:
- Heat a non-stick skillet over medium heat.
- Add a splash of olive oil to the skillet.
- Add the rainbow pasta salad and stir occasionally until warmed through, about 5-7 minutes.
- If the salad seems dry, add a bit more olive oil or a splash of red wine vinegar to refresh the flavors.
Microwave Method:
- Place the rainbow pasta salad in a microwave-safe dish.
- Cover with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape.
- Microwave on medium power for 1-2 minutes, stirring halfway through.
- Check the temperature and continue heating in 30-second intervals if needed.
- Stir well before serving to ensure even heating.
Oven Method:
- Preheat your oven to 350°F (175°C).
- Transfer the rainbow pasta salad to an oven-safe dish.
- Cover the dish with aluminum foil to prevent drying out.
- Bake for 15-20 minutes, stirring halfway through to ensure even heating.
- Remove from the oven and give it a good stir before serving.
Room Temperature Method:
- Remove the rainbow pasta salad from the refrigerator.
- Allow it to sit at room temperature for about 30 minutes.
- Stir well before serving to redistribute the dressing and flavors.
Steamer Method:
- Set up a steamer basket over a pot of simmering water.
- Place the rainbow pasta salad in the steamer basket.
- Cover and steam for about 5-7 minutes, or until warmed through.
- Stir well before serving to ensure even heating.
Essential Tools for Making This Salad
Large pot: used to cook the pasta according to the package instructions.
Colander: used to drain the cooked pasta and rinse it under cold water.
Large mixing bowl: used to combine the cooked pasta, cherry tomatoes, cucumber, bell peppers, red onion, black olives, and feta cheese.
Small bowl: used to whisk together the olive oil, red wine vinegar, dijon mustard, garlic, and dried oregano for the dressing.
Whisk: used to mix the dressing ingredients until well combined.
Chef's knife: used to dice the cucumber, bell peppers, and finely chop the red onion.
Cutting board: used as a surface for chopping and dicing the vegetables.
Measuring cups: used to measure out the pasta, cherry tomatoes, cucumber, bell peppers, red onion, black olives, and feta cheese.
Measuring spoons: used to measure the olive oil, red wine vinegar, dijon mustard, and dried oregano.
Garlic press: used to mince the garlic clove.
Serving spoon: used to toss the pasta salad and coat it evenly with the dressing.
Refrigerator: used to chill the pasta salad for at least 30 minutes before serving.
How to Save Time on Making This Salad
Pre-cook the pasta: Cook the rotini pasta in advance and store it in the refrigerator. This way, you can quickly assemble the salad when needed.
Use pre-chopped veggies: Purchase pre-diced cucumber, bell peppers, and red onion to save chopping time.
Ready-made dressing: Opt for a store-bought olive oil and red wine vinegar dressing to skip the whisking step.
Batch prep: Prepare a large batch of the pasta salad and portion it out for multiple meals throughout the week.
Chill quickly: Spread the pasta salad on a baking sheet to cool it faster before refrigerating.

Rainbow Pasta Salad Recipe
Ingredients
Main Ingredients
- 2 cups Rotini pasta uncooked
- 1 cup Cherry tomatoes halved
- 1 cup Cucumber diced
- 1 cup Bell peppers diced, mixed colors
- ½ cup Red onion finely chopped
- ½ cup Black olives sliced
- ½ cup Feta cheese crumbled
Dressing
- ¼ cup Olive oil
- 2 tablespoon Red wine vinegar
- 1 teaspoon Dijon mustard
- 1 clove Garlic minced
- ½ teaspoon Dried oregano
- to taste Salt and pepper
Instructions
- 1. Cook the pasta according to the package instructions. Drain and rinse under cold water.
- 2. In a large bowl, combine the cooked pasta, cherry tomatoes, cucumber, bell peppers, red onion, black olives, and feta cheese.
- 3. In a small bowl, whisk together the olive oil, red wine vinegar, Dijon mustard, garlic, and dried oregano. Season with salt and pepper to taste.
- 4. Pour the dressing over the pasta salad and toss to coat evenly.
- 5. Chill in the refrigerator for at least 30 minutes before serving.
Nutritional Value
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