Quinoa, an ancient grain from South America, is rich in B vitamins and minerals. It also has antioxidants and heart-healthy monounsaturated fat.
In a medium saucepan over high heat, bring quinoa and water to a boil. Reduce heat to medium-low and cover. Simmer for about 10 minutes or until the quinoa is tender.
Remove quinoa from heat and let stand, covered, for 5 minutes. Then fluff quinoa with a fork and spread it out onto a large rimmed baking sheet to cool.
In a small bowl, whisk lemon juice, garlic and pepper. Gradually whisk in oil.
After the quinoa has cooled, transfer it to a large bowl and add the dressing, cucumber, tomatoes, parsley and onion. Top with feta cheese and toss gently to mix.
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