Rainbow Quinoa Salad (Vegan Meal-Prep, Gluten-Free)
This rainbow quinoa salad is packed with red cabbage, fresh blueberries, tomato, cucumber, and yellow pepper, all tossed with fluffy quinoa and a bright lemon-Dijon dressing. Make it ahead and it only gets better as the flavors mingle.
This is the salad I make when I want lunch to feel like a choice rather than a compromise. The “rainbow” is not just for looks – every colour brings a different texture and flavour, so no two bites are boring. Quinoa makes it filling enough to be a meal on its own, and it holds up for days in the fridge. Dress it while the quinoa is still slightly warm; it drinks up the flavour far better than cold.
A rainbow salad that earns its name
- Filling and fresh. Quinoa makes it a satisfying main.
- Naturally gluten-free. Built on protein-rich quinoa.
- Colorful and crunchy. A rainbow of vegetables and berries.
- Better made ahead. The flavors meld as it sits.
What goes into this quinoa salad
Quinoa is the protein-rich base. Rinse it well before cooking to remove any bitterness, then let it cool before assembling.
Red cabbage, tomato, cucumber, and yellow pepper bring the rainbow of color and crunch. Blueberries add a sweet, juicy surprise.
The lemon-Dijon dressing of olive oil, lemon, mustard, and a little maple syrup is bright and balanced. Use maple to keep it vegan.
My tips for the best texture
- Cool the quinoa. Warm quinoa wilts the vegetables, so let it cool first.
- Chill before serving. 30 minutes in the fridge lets the flavors come together.
- Add protein. Chickpeas, white beans, or toasted seeds make it heartier.
- Swap the fruit. Pomegranate, grapes, or chopped apple work in place of blueberries.
Make it a protein-packed meal-prep bowl
As a side this feeds a crowd, but with one addition it becomes a lunch you can prep for the week. Fold in a drained can of chickpeas or a cup of cooked edamame and the quinoa salad turns into a proper protein bowl that keeps you full for hours. It is built for meal prep: pack it in jars with the lemon-Dijon dressing at the bottom and the leaves on top, and it stays crisp for up to four days in the fridge. It is my favourite way to actually eat the rainbow without thinking about it.
Making it ahead and storing leftovers
- Fridge: store in an airtight container for up to 3 days.
- Dress to refresh: add a little extra dressing before serving if needed.
- Meal prep: it holds up well, making it ideal for packed lunches.
For more quinoa and salad ideas, try our broccoli quinoa burger, bean and quinoa sliders, or a kale salad.
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Rainbow Quinoa Salad
Equipment
- Fine-mesh strainer
- Saucepan
- Mixing bowls
Ingredients
For the salad
- 1 cup quinoa
- 2 cups water
- ½ red cabbage small, thinly shredded
- 1 cup blueberries fresh
- 1 cup tomatoes diced
- 1 cup cucumber diced
- 1 yellow bell pepper sliced
- ¼ cup parsley fresh, finely chopped
For the dressing
- ¼ cup olive oil
- 2 tbsp lemon juice
- 1 tbsp maple syrup or agave syrup, or honey
- 1 tsp Dijon mustard
- Salt and black pepper to taste
- 1 can chickpeas drained, optional, to make it a main
Instructions
- Rinse the quinoa in a fine-mesh strainer under cold water for about 30 seconds to remove any bitterness.
- In a medium saucepan, bring 2 cups of water to a boil. Add the quinoa, reduce the heat to low, cover, and simmer for about 15 minutes, until the water is absorbed. Rest, covered, for 5 minutes, then transfer to a serving bowl and let cool slightly.
- Add the shredded cabbage, blueberries, tomatoes, cucumber, and yellow pepper over the quinoa.
- Whisk together the olive oil, lemon juice, honey or maple syrup, Dijon mustard, salt, and pepper until well combined.
- Pour the dressing over the salad and toss gently to coat everything evenly.
- Sprinkle with fresh parsley. Chill for at least 30 minutes before serving for the best flavor.
- To turn it into a protein-packed main or meal-prep bowl, fold in a drained can of chickpeas or a cup of cooked edamame.
Notes
Frequently Asked Questions
Quinoa has a natural coating called saponin that can taste bitter or soapy. Rinsing it under cold water for about 30 seconds removes this coating and gives a cleaner, nuttier flavor.
Yes, and it is even better for it. Make it up to a day ahead so the flavors meld, and store it covered in the fridge. Add a little extra dressing before serving if it looks dry.
Quinoa is one of the few plant foods that is a complete protein, containing all nine essential amino acids. Adding beans or chickpeas boosts the protein even further.
Stored in an airtight container in the fridge, the salad keeps for up to 3 days, which makes it great for meal prep. The vegetables stay crunchy and the flavors deepen over time.
Yes. Blueberries add a lovely sweetness, but pomegranate seeds, halved grapes, or chopped apple all work well for that pop of color and natural sweetness.
Yes. Made with quinoa, vegetables, fruit, and a lemon-Dijon dressing, it is naturally vegan and gluten-free. Use maple syrup instead of honey in the dressing to keep it vegan.
