Start by marinating the flank steak. In a bowl, combine olive oil, smoked paprika, garlic powder, cumin, salt, and pepper. Rub this mixture all over the steak. Let it marinate for at least 30 minutes at room temperature or up to 2 hours in the fridge.
While the steak is marinating, prepare the quinoa. In a saucepan, combine the rinsed quinoa and vegetable broth (or water). Bring to a boil, then reduce the heat to low, cover, and simmer for about 15 minutes or until the quinoa is fluffy and liquid is absorbed. Remove from heat and let it sit, covered, for 5 minutes. Fluff with a fork.
Preheat a grill or stovetop skillet over medium-high heat. Cook the marinated flank steak for about 4-5 minutes on each side for medium-rare, or longer depending on your preferred doneness. Once cooked, let the steak rest for 5 minutes before slicing it against the grain.
In a large mixing bowl, combine diced cucumber, halved cherry tomatoes, chopped red onion, and chickpeas. Toss gently to combine.
To assemble the bowls, divide the cooked quinoa among serving bowls. Top each bowl with sliced steak, the fresh vegetable mix, and a sprinkle of feta cheese.
Garnish with fresh parsley and serve with a wedge of lemon on the side for an extra zesty flavor.
Notes
Let the steak rest before slicing for better texture.