1. Rinse the quinoa under cold water.
2. In a saucepan, bring the water to a boil. Add the quinoa, reduce heat to low, cover, and simmer for 15 minutes or until the water is absorbed.
3. Remove from heat and let it sit, covered, for 5 minutes. Fluff with a fork.
4. In a large mixing bowl, combine the cooked quinoa, olive oil, lemon juice, cucumber, red bell pepper, red onion, parsley, and mint.
5. Season with salt and black pepper to taste. Toss to combine.
6. Serve chilled or at room temperature.