1. Begin by preheating your oven to 350°F (175°C).
2. In a capacious skillet, sauté the ground beef on medium heat until brown, draining any surplus fat.
3. Introduce the diced onions, sautéing until they become a translucent golden hue.
4. Welcome the chopped cabbage into the skillet, cooking until it tenderly wilts. Season according to your palate with salt and pepper.
5. While the savory mixture simmers, lightly grease a 9×13-inch baking dish.
6. Gently press one package of the crescent roll dough into the dish, forming a welcoming bottom crust.
7. Gracefully layer the beef, onion, and cabbage mixture atop the dough.
8. Envelop the mixture with a generous sprinkling of shredded mozzarella.
9. Delicately place the second crescent roll dough atop the cheese, crafting a top crust.
10. Permit the casserole to bake in your preheated oven for approximately 35 minutes, then kindly cover it with foil, allowing an additional 10 minutes of baking.
11. After a brief pause for cooling upon removal from the oven, slice, serve, and bask in the comforting culinary embrace of your Runza Casserole.

Endearing in its simplicity and hearty in its delivery, Runza Casserole promises a delightful meal, whether savored as a standalone dish or paired with verdant salads, vibrant vegetables, or luscious mashed potatoes. This easy-to-follow recipe is destined to find a permanent spot in your family’s collection, delivering a flavorful morsel of the Midwest with every bite. May your hearts be as warm and satisfied as your palates!