This vegetable and rice casserole is a versatile and customizable dish that can be made with any vegetables you have on hand. It combines cooked rice with a medley of sautéed vegetables, such as bell peppers, carrots, peas, and corn. The casserole is then baked until the flavors have melded together and the top is golden and crispy. Serve it as a side or a main course for a wholesome and delicious meal.