Cheesy Ground Beef and Potato Casserole Step-by-step instructions

Before you start

Before beginning the assembly, ensure the oven is fully preheated to the correct temperature. Having the baking dish ready and the ingredients prepped will make the layering process smooth and efficient.

If using a mandoline to slice the potatoes, ensure the safety guard is in place to protect your fingers. Have all ingredients measured and the beef cooked so that everything is ready to go into the dish as soon as the oven hits the target heat.

Instructions

Preparation and Browning

1. 1Prepare the Ingredients
   Preheat the oven to 375°F (190°C). Wash and peel the potatoes, then slice them into thin, uniform rounds about 1/8 inch thick. Brown the ground beef in a large skillet over medium-high heat until fully cooked. Drain excess fat from the skillet. Keep the beef warm while preparing the assembly station.
   Look for The beef should be browned and no longer pink, and the potatoes should be sliced thinly enough to cook through.
   Safe temperature 160°F (71°C) internal temperature (ground meat)
   Tip Using a mandoline ensures the potatoes are all the same thickness, which helps them cook evenly in the oven.

The ground beef should be fully browned and well-drained. The potatoes should be sliced into uniform, thin rounds, and the beef should be ready to incorporate into the dish to ensure every layer is flavorful and properly balanced before assembly begins.

Layering the Dish

2. 2Layer the Casserole
   Grease a 9x13 inch glass baking dish lightly. Begin by spreading a layer of potato slices on the bottom of the dish. Follow with a layer of the browned ground beef and a generous sprinkling of the shredded cheddar cheese. Repeat these layers until all ingredients are used, finishing with a final layer of cheese on top to ensure a golden, bubbling crust.
   Look for The dish should be filled with alternating layers of potatoes, beef, and cheese, creating a dense but beautiful structure.
   Tip Press the layers down gently with a spatula as you build the casserole to remove large air gaps.

The baking dish should be neatly filled with alternating layers of potatoes, beef, and cheese. The final layer of cheese should be spread evenly across the top, ensuring no potatoes are left exposed, which could cause them to dry out during the initial baking phase.

Baking and Finishing

3. 3Bake and Serve
   Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes. Remove the foil and continue baking for an additional 15 minutes, or until the potatoes are fork-tender and the cheese is melted and golden brown. Remove from the oven and let the casserole rest for 10 minutes before serving to allow the layers to set properly.
   Look for The casserole should be bubbling around the edges, and a fork should slide easily through the center of the potato layers.
   Tip Checking for tenderness with a fork is the best way to ensure the potatoes are fully cooked through.

The casserole should be bubbling and golden, with the foil removed during the final stage to achieve a perfect crust. The potatoes must be tender throughout, and the dish should have rested, allowing the internal moisture to redistribute for easier serving.

Common mistakes

A common mistake is slicing the potatoes too thick, which prevents them from cooking through before the cheese burns.

Another frequent error is failing to season the potato layers individually; since the beef is seasoned, it is easy to forget that the potatoes need their own salt and pepper to taste their best.

Finally, not letting the dish rest after baking is a mistake that leads to the layers sliding apart when serving, rather than holding together nicely.

How to tell it’s done

The casserole is done when the potatoes are completely tender and can be pierced effortlessly with a fork. The cheese on the surface should be melted, bubbly, and exhibit patches of deep golden brown.

Because the ground beef was pre-cooked to 160°F (71°C), the main concern is ensuring the potato layers are soft and the internal structure has set sufficiently to allow for clean serving portions after the required rest time.

• Ground meat: 160°F (71°C) in the thickest part