Roasted Vegetable and Chicken Quinoa Bowls for Two

Name: Roasted Vegetable and Chicken Quinoa Bowls for Two
Ingredients: 1 cup broccoli florets; 1 cup cubed butternut squash; 1/2 cup carrots, cut into 1/2-inch rounds; 1 large zucchini, diced (about 1 cup); 3/4 teaspoon garlic powder; 3 tablespoons plus 2 teaspoons olive oil; Kosher salt and ground black pepper; 2 cups chicken stock; 1 cup uncooked tri-color quinoa, rinsed; 1 large chicken breast, diced (about 1 cup); 1/3 cup olive oil; 1/4 cup red wine vinegar; 1 teaspoon oregano; Kosher salt and coarsely ground black pepper