2 cup broccoli florets
2 cups cremini mushrooms
2 cups chopped butternut squash
1 zucchini, sliced and quartered
1 yellow squash, sliced and quartered
1 red bell pepper, chopped
1 red onion, chopped
2 tablespoons olive oil
2 tablespoons balsamic vinegar, or more, to taste
4 cloves garlic, minced
1 1/2 teaspoons dried thyme
Kosher salt and freshly ground black pepper, to taste