Casseroles are some of the best ways to prepare an easy dinner for your family. In this video, learn how to prepare Cheesy Hamburger Rice Casserole with five simple ingredients – ground beef, cream of mushroom soup, long grain white rice, diced tomatoes with juice, and shredded mozzarella cheese. First, brown the ground beef on the stovetop, then add in the remaining ingredients (except the cheese) and simmer over low heat.