Gluten-Free Breakfast Casserole

Try this Gluten-Free Breakfast Casserole recipe, or contribute your own.

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Gluten-Free Breakfast Casserole Save
Gluten-Free Breakfast Casserole

Try this Gluten-Free Breakfast Casserole recipe, or contribute your own.

  • Preparing Time: 30 minutes
  • Total Time: 1 hour
  • Served Person: 6
  • Carbohydrate 4.28181352947484 g
  • Cholesterol 534.862168754536 mg
  • Fat 48.037080608128 g
  • Fiber 0.0252401175213675 g
  • Protein 35.4876204880879 g
  • Saturated Fat 21.1053519365553 g
  • Serving Size 1 1 Serving (281g)
  • Sodium 883.081610892469 mg
  • Sugar 4.25657341195347 g
  • Trans Fat 4.44803447257695 g
  • Calories 594 calories

Step-by-step

  • Preheat oven to 350 degrees then spray a 9x13" baking dish with nonstick spray and set aside.
  • Brown sausage with shallot in a large skillet over medium-high heat then drain if desired and set aside to cool slightly (can be done ahead of time.)
  • Whisk eggs, salt, and pepper in a very large bowl, add sour cream and milk, and then whisk until smooth.
  • Add 3/4 of the shredded cheese (about 6oz,) the cooked sausage, and thawed hash browns to the bowl then stir to combine.
  • Pour mixture into prepared baking dish then smooth with a spatula until liquid is evenly distributed.
  • Sprinkle remaining cheese on top then cover with foil and bake for 1 hour, to 1 hour and 15 minutes, or until a knife inserted into the center comes out clean.
  • Remove foil then bake for 5 more minutes or until top is golden brown.
  • Let sit for 5 minutes before cutting and serving.

Thermal Mass and Freezing Mechanics

Frozen hash browns introduce a massive amount of cold water into a baking dish, which dramatically alters how heat transfers through an egg-based custard. Thawing the potatoes completely on paper towels before mixing prevents pockets of liquid from forming around the sausage. When freezing unbaked portions, wrap the 9x13-inch pan tightly in two layers of plastic wrap and heavy-duty foil. Raw pork sausage retains better structural integrity in the freezer than pre-cooked crumbles, though cooking the meat first reduces excess grease release during the final bake.

Protein Coagulation and Dairy Chemistry

Sour cream contains high levels of fat and lactic acid, which chemically inhibit the tightly wound proteins in eggs from locking together too rigidly. This acid interference stops the custard from turning rubbery during the long exposure to 350-degree heat. Whole milk supplies extra water vapor to inflate the egg network gently, creating tiny internal pockets of steam that lift the heavy mixture. Whisking the dairy into the eggs thoroughly before adding the cheese prevents fat separation.

Baking Dynamics and Moisture Control

Covering the baking dish with aluminum foil for the first 60 minutes traps moisture so the hash browns steam through instead of dehydrating into leather. Removing the foil during the final five minutes exposes the sharp cheddar cheese to direct radiant heat, triggering the Maillard reaction for a nutty, golden crust. Insert a paring knife directly into the geographic center of the casserole; the blade should emerge free of wet egg residue when the internal proteins have fully set at 165 degrees Fahrenheit.