Heat the oil or water in a large skillet over medium heat. Add the onion, carrot, garlic, and ginger and sauté until the vegetables begin to soften, about 3 minutes. Add the quinoa, broth, and salt and pepper to taste, and bring to a boil. Reduce the heat to a simmer, cover, and cook for 15 minutes.
Stir in the zucchini, yellow squash, scallions, dried basil, a