Dinner · Part 2 of 3: Instructions
Cheesy Ground Beef and Potato Casserole for a Cozy Dinner Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 6
Before you start
Before beginning the assembly, ensure the oven is preheated to 375°F (190°C) to ensure consistent baking. Prepare your workspace by clearing enough room for the baking dish and the skillet. Having all ingredients measured and the potatoes sliced in advance will streamline the process significantly.
Use a sharp knife or a mandoline to slice the potatoes into rounds about 1/8 inch thick. Keeping the potatoes in a bowl of cold water until needed will prevent them from oxidizing and turning brown before they are layered into the dish.
Ingredients at a glance (4)
- 1 1/2 lb ground beef
- 3 lb potatoes, thinly sliced
- 2 cups Colby cheese, shredded
- 1 tbsp salt and pepper to taste
Instructions
Preparing the Ingredients
- Prepare the BasePreheat the oven to 375°F (190°C). Wash, peel, and thinly slice the potatoes into uniform rounds. Brown the ground beef in a large skillet over medium-high heat until fully cooked. Drain excess fat and season with salt and pepper to taste.Look for The beef should be browned throughout without any visible pink.Safe temperature 160°F (71°C) internal temperature (ground meat)Tip Use a mandoline slicer to ensure the potato slices are even, which helps them cook at the same rate.
At the end of this phase, the ground beef should be fully browned and seasoned, and the potatoes should be sliced uniformly.
Check that the beef is free of excess grease and that the potatoes are ready for layering. This prep work is the foundation for the entire dish, so ensure everything is ready before moving on to the assembly stage.
Layering the Dish
- Assemble the CasseroleLayer half of the potato slices into the bottom of a greased 9x13 inch baking dish. Spread the cooked ground beef evenly over the potatoes, then top with the remaining potato slices. Cover the dish tightly with aluminum foil to trap steam.Look for Ensure the potatoes are overlapping slightly for a consistent texture.Tip Adding a small amount of liquid, like broth or cream, can help keep the potatoes moist during baking.
The casserole should be neatly layered with potatoes and beef, then covered securely with foil. Verify that the dish is prepared to go into the oven. The layers should be compact but not crushed, ensuring the heat can circulate around the components during the baking process to achieve the desired tender texture.
Baking and Finishing
- Bake and ServeBake for 35 minutes covered, then remove the foil, sprinkle generously with shredded Colby cheese, and bake for an additional 10 minutes until the cheese is bubbly and golden brown. Let the dish rest for 10 minutes before serving to allow the layers to settle.Look for The cheese should be melted and bubbling, and a fork should easily pierce the center potatoes.Tip Do not skip the resting period, as it allows the juices to redistribute and makes serving much easier.
The final phase concludes when the cheese is melted, bubbly, and golden. The casserole should look unified and smell savory. Check that the center is hot and the potatoes are soft. Once removed from the oven, let it rest, which allows the juices to settle and makes for a cleaner portioning when serving.
Common mistakes
A common mistake is slicing the potatoes too thick, which prevents them from cooking through within the allotted time. Aim for consistent, thin slices. Another error is failing to cover the dish during the first phase of baking, which leads to dried-out potatoes.
Ensure the foil is sealed tightly around the edges. Finally, adding too much fat from the browned beef can make the final dish heavy; draining the meat thoroughly before layering is essential for a balanced and appetizing result.
How to tell it’s done
The casserole is considered finished when the potatoes are fork-tender throughout and the cheese topping is bubbling and golden brown. To test for doneness, insert a fork into the center of the dish; it should slide through the potato layers with minimal resistance.
The internal temperature of the ground beef should reach at least 160°F (71°C) to ensure it is cooked safely. Allow the casserole to rest for 10 minutes, which is vital for the structure to set before cutting and serving.
- Ground meat: 160°F (71°C) in the thickest part
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)