Prismatic Rainbow Quinoa Salad

By Lauren Mitchell, Test Kitchen Director · Reviewed by AislePrompt Editorial · Published 2026-03-29 · Updated 2026-03-29

A vibrant, nutrient-packed salad featuring rainbow-colored quinoa, fresh vegetables, and a light vinaigrette. This international-inspired salads (vegetarian) ready in about 35 minutes pairs (uncooked) quinoa, (diced) red bell pepper, (diced) 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 220 calories and feeds 4, 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

• 1 cup (uncooked) quinoa
• 1/2 (diced) red bell pepper
• 1/2 (diced) yellow bell pepper
• 1/2 (diced) green bell pepper
• 1/2 (diced) cucumber
• 1/4 (finely chopped) red onion
• 1/4 cup (chopped) fresh parsley
• 2 tbsp olive oil
• 1 tbsp lemon juice
• 1/2 tsp salt
• 1/4 tsp black pepper

Instructions

1. Step 1: Rinse quinoa under cold water and cook according to package instructions (typically 15-18 minutes) until tender. Let cool.
2. Step 2: In a large bowl, combine cooked quinoa, diced bell peppers, cucumber, red onion, and parsley.
3. Step 3: In a separate small bowl, whisk together olive oil, lemon juice, salt, and black pepper.
4. Step 4: Pour the vinaigrette over the quinoa mixture and toss until evenly coated.
5. Step 5: Chill in the refrigerator for 30 minutes before serving to allow flavors to meld.