Add first eight ingredients to a glass jar with a tight lid. Shake to mix. Set aside.
Using a julienne peeler or some other spiralizer device, cut the zucchini lengthwise into matchstick ribbons. In a large bowl, mix the zucchini noodles, broccoli, pepper, onion, and Spring mix. Add quinoa. Drizzle with dressing, add salt and pepper to taste and toss the salad to distribute dressing.
Divide salad between 2 bowls. Top with chopped peanuts.