In a small saucepan, bring uncooked quinoa and water to a boil. Once boiling, lower to a light simmer and cover for about 20 minutes or until water is absorbed and quinoa is light and fluffy. (Make sure to keep an eye on it, as the water will often cook out quicker than you think, leaving you with burnt quinoa that's not cooked through properly.)
In a large bowl, toss remaining ingredients together. Add in the cooked quinoa and toss again to combine.
Divide among 2 large salad bowls and top with any additional toppings such as a vegan ranch, sour cream, or salsa if desired. Would also be tasty with an oil and vinegar dressing.