Cheesy Sausage Hash Brown Breakfast Casserole Step-by-step instructions

Before you start

Before starting, gather all your ingredients and equipment to ensure a smooth cooking process. Thaw the frozen hash browns completely and press them between paper towels to remove all moisture.

Grease your fluted baking dish lightly with nonstick spray or butter. Whisk the eggs in a medium bowl until fully combined and slightly frothy. Preheating the oven to 375°F (190°C) ensures it is ready to go as soon as your layers are assembled in the dish.

Instructions

Sausage Browning and Egg Prep

1. 1Brown the Sausage
   Heat a large skillet over medium-high heat. Add the ground pork sausage and cook, breaking it up with a spatula, until it is thoroughly browned and no pink remains. Ensure the sausage reaches a safe internal temperature of 160°F (71°C) to kill any harmful bacteria. Drain the excess grease from the skillet and set the cooked sausage aside.
   Look for The sausage is completely browned with no pink remaining.
   Safe temperature 160°F (71°C) internal temperature (ground meat)
   Tip Drain the sausage well to prevent a greasy casserole.
2. 2Whisk the Eggs
   In a medium mixing bowl, crack the eggs. Whisk the eggs vigorously until the yolks and whites are completely integrated, and the mixture is uniform in color and slightly frothy on top.
   Look for The mixture is smooth, uniform, and slightly frothy.
   Tip Whisk thoroughly to incorporate air for a fluffier texture.

At the end of this initial phase, the ground pork sausage should be thoroughly browned and crumbled in the skillet, with no pink meat remaining. It should smell highly savory and aromatic. The egg mixture should be completely uniform in color, with the whites and yolks fully integrated, showing a light, frothy texture on the surface before it is poured.

Assembling the Layers

3. 3Assemble the Layers
   Preheat your oven to 375°F (190°C). Lightly grease a nine-inch fluted baking dish. Spread the thawed and dried shredded hash browns in an even layer at the bottom of the dish. Scatter the cooked sausage crumbles evenly over the potatoes, then slowly pour the whisked eggs over the top, allowing them to seep through the layers.
   Look for The egg mixture is poured evenly and settles into the layers.
   Tip Pour slowly so the liquid distributes evenly without overflowing.

Once assembled, the baking dish will show a clean layer of shredded hash browns at the bottom, topped evenly with the cooked sausage crumbles. The egg mixture should be poured slowly over the top, seeping down through the sausage and potatoes to fill the gaps. The liquid should sit just below the top layer of sausage, indicating the casserole is ready for the oven.

Baking and Broiling

4. 4Bake the Casserole
   Place the assembled baking dish into the preheated oven. Bake at 375°F (190°C) for thirty-five to forty minutes, or until the eggs are fully set. Check that the center of the casserole is firm and has reached a safe internal temperature of 160°F (71°C) before proceeding.
   Look for The center is firm and does not wobble when shaken.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip A knife inserted in the center should come out clean.
5. 5Top with Cheese and Broil
   Remove the casserole briefly from the oven and sprinkle the shredded cheddar cheese evenly over the top. Return the dish to the oven under the broiler for two to three minutes, watching closely, until the cheese is completely melted, bubbling, and golden brown.
   Look for The cheddar is melted, bubbling, and beautifully browned.
   Tip Keep a close eye on the broiler to prevent the cheese from burning.

After baking and a quick turn under the broiler, the finished casserole should look absolutely spectacular. The cheddar cheese on top must be completely melted, bubbling vigorously, and beautifully flecked with deep golden-brown spots.

When you gently shake the baking dish, the center should be completely firm with absolutely no wobbling, and a rich, savory, cheesy aroma should fill your entire kitchen.

Common mistakes

One common mistake is failing to remove excess moisture from the thawed hash browns, which results in a watery, mushy bottom layer. Another error is overcooking the eggs, which makes them dry and spongy rather than tender and creamy.

Finally, adding the cheese too early in the baking process can cause it to burn or become tough before the eggs underneath have fully set. Always wait until the final minutes to add the cheddar.

How to tell it’s done

To determine perfect doneness, insert a food thermometer into the very center of the casserole. The eggs must reach a safe internal temperature of 160°F (71°C), and the sausage must have previously reached 160°F (71°C) during browning.

Visually, the center should be firm to the touch and not jiggle when the dish is gently moved. The cheese on top should be melted, bubbling, and golden brown, indicating it is ready to rest and slice.

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