Step 1- Cook the Quinoa
Bring a pot with 1.5 cups water to a boil, then add the rinsed quinoa and reduce to a simmer. Cook for about 15 to 20 minutes, until most of the liquid absorbs and the quinoa doubles in size. Turn off the heat, cover with a lid, and let it steam for 10 more minutes before fluffing with a fork.
Step 2- Crisp the Quinoa
Preheat your oven to 375°F and line a baking sheet with parchment paper. Spread the cooked quinoa across the sheet and lightly spray with oil. Bake for 20 to 30 minutes, stirring halfway through, until golden and crispy. Keep an eye on it toward the end since cooking times vary by oven.
Step 3- Let It Cool
Set the crispy quinoa aside to cool completely after baking. This step matters more than it seems warm quinoa on top of fresh greens can wilt them faster than you'd like.
Step 4- Make the Vinaigrette
While the quinoa bakes, combine all the vinaigrette ingredients in a small food processor or blender. Blend until smooth, then add salt and pepper to taste. The dressing should look bright green and smell incredible.
Step 5- Assemble the Salads
Divide the romaine and arugula into separate bowls. Top with black beans, mango, cucumber, tomatoes, and sliced avocado. Sprinkle the cooled crispy quinoa over each salad, then serve with the fresh herb vinaigrette.