01 - Rinse quinoa under cold water. In a medium saucepan, combine quinoa, water, and ½ teaspoon salt. Bring to a boil, then reduce heat to low, cover, and simmer for 15 minutes until water is absorbed. Fluff with a fork and let cool slightly.
02 - Whisk together olive oil, lemon juice, minced garlic, oregano, salt, and pepper in a small bowl.
03 - Halve cherry tomatoes, dice cucumber and red bell pepper, finely chop red onion, and slice Kalamata olives.
04 - In a large mixing bowl, combine cooked quinoa, tomatoes, cucumber, bell pepper, red onion, olives, and spinach or mixed greens. Drizzle with dressing and toss gently to combine.
05 - Divide the mixture evenly among 4 bowls. Top each with a dollop of hummus and sprinkle with crumbled feta cheese.
06 - Garnish with chopped fresh parsley and lemon wedges if desired. Serve immediately.