1. 1. Preheat the oven to 375°F (190°C).

2. 2. Cook the beef round and pork loin in a skillet until browned.

3. 3. Boil the baking potatoes until tender, then mash them with whole milk to make mashed potatoes.

4. 4. Steam the brussels sprouts and baby carrots until tender-crisp.

5. 5. In a casserole dish, layer the cooked beef and pork at the bottom.

6. 6. Top the meat with the steamed brussels sprouts and baby carrots.

7. 7. Spread the mashed potatoes over the vegetables as another layer.

8. 8. Sprinkle shredded Monterey Jack cheese on top of the mashed potatoes.

9. 9. Bake in the preheated oven for 25-30 minutes, or until the cheese is melted and bubbly.

10. 10. Serve hot and enjoy!