Colorful Rainbow Pasta Salad
A vibrant pasta salad with a rainbow of roasted vegetables and a tangy lemon vinaigrette that’s as fun to eat as it is to look at. This mediterranean-inspired salads (vegetarian) ready in about 43 minutes pairs rotini pasta, zucchini, yellow bell pepper into a side that holds its own next to almost any main — bright, balanced, and quick enough to slot into a weeknight plate. Each serving lands at about 280 calories and feeds 6, so it slots cleanly next to roasted proteins, grain bowls, or weeknight mains. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 8 oz rotini pasta
- 1 medium, cut into 1/2-inch dice (150g) zucchini
- 1 medium, cut into 1/2-inch dice (120g) yellow bell pepper
- 1 medium, cut into 1/2-inch dice (120g) red bell pepper
- 1 cup, halved (120g) cherry tomatoes
- 2 tbsp olive oil
- 1 tbsp balsamic vinegar
- 1 tbsp lemon juice
- 1 tsp Dijon mustard
- 1/4 tsp salt
- 1/4 tsp black pepper
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Bring a large pot of salted water to a boil; add 8 oz rotini pasta and cook for 8-10 minutes until al dente. Drain, rinse under cold water, and set aside.
- Step 2: Preheat oven to 425°F (220°C). Toss 150g diced zucchini, 120g diced yellow bell pepper, 120g diced red bell pepper, and 120g halved cherry tomatoes with 2 tbsp olive oil, 1/4 tsp salt, and 1/4 tsp black pepper on a baking sheet.
- Step 3: Roast for 15-18 minutes, stirring once halfway, until vegetables are tender and slightly caramelized.
- Step 4: In a small bowl, whisk together 1 tbsp balsamic vinegar, 1 tbsp lemon juice, 1 tsp Dijon mustard, 1/4 tsp salt, and 1/4 tsp black pepper to make the dressing.
- Step 5: In a large bowl, combine the drained pasta, roasted vegetables, and the dressing; toss gently until evenly coated and the pasta is cooled to room temperature.
- Step 6: Chill for 30 minutes before serving to let flavors meld, then serve chilled.
Frequently asked questions
How long does Colorful Rainbow Pasta Salad take to make?
Total time is about 43 minutes (25 min prep + 18 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Colorful Rainbow Pasta Salad?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep rotini pasta from drying out.
Can I substitute ingredients in Colorful Rainbow Pasta Salad?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Colorful Rainbow Pasta Salad for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Colorful Rainbow Pasta Salad vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★★
Used half the salt and it was still plenty flavorful.
- ★★★★☆
My family liked it. I personally would prefer more depth of flavor.
- ★★★★☆
Reliable weeknight option. Not going to blow your mind but always satisfying.
