Harvest Vegetable Casserole

Name: Harvest Vegetable Casserole
Ingredients: 1 tablespoon butter; 1 yam, quartered and sliced; 1/2 sweet onion (such as Vidalia®), sliced; 1 zucchini, halved lengthwise and sliced; 1 yellow squash, halved lengthwise and sliced; 1/2 large red bell pepper, chopped; 1/2 large green bell pepper, chopped; 1 teaspoon dried oregano; 1 teaspoon dried basil; salt and ground black pepper to taste; 1/4 cup shredded sharp Cheddar cheese; 2 tablespoons seasoned bread crumbs; butter-flavored cooking spray