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Breakfast Casserole

Breakfast Casserole

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  • Author: Glenda Embree
  • Total Time: 1 hour
  • Yield: 12-15 servings 1x


Units Scale
  • 34 large baked potatoes, grated (enough for 4 cups)
  • 1 lb. homemade sausage (or commercial sausage)
  • 18 eggs
  • 1 medium red onion, minced
  • 12 cups fresh spinach, minced (according to family preference)
  • 1 Tablespoon garlic, minced
  • 2 cups extra sharp cheddar cheese, grated
  • 1/4 cup melted butter
  • salt and pepper, to taste


  1. Start by preheating the oven to 350° and greasing a *9×13 pan.
  2. Crumble and brown the ground sausage in a skillet. Drain off the grease and crumble any bigger clumps, so your crumbles are all fairly uniform in size.
  3. Next, grate your baked potatoes. You don’t even need to remove the skins. They will come away on their own as you’re grating. Plus, if a little baked potato skin gets grated into the mix, that’s tasty, too. I use a *4-sided box grater. It’s so much easier to handle and balance on the counter or cutting board, than a flat grater and I get the benefit of all the different grate sizes. It’s another one of those everyday kitchen tools that was a great investment for me.
  4. Add the potatoes to the bottom of your prepared baking pan. Spread them out in an even layer.  I salt and pepper this layer. If you are restricting salt, then certainly, adjust to your own tastes and dietary needs.
  5. Drizzle them with the melted butter.
  6. Mix together the browned sausage, onions, spinach, and garlic.
  7. Once the ingredients in the sausage layer are evenly combined, pour them over the potato layer in your baking pan.
  8. Beat the eggs until they are golden and fluffy. I add salt and pepper to the raw egg mixture. Season it to your own tastes.
  9. Stir the grated cheese into the beaten eggs.
  10. Pour the egg and cheese mixture over the sausage layer.
  11. You may need to redistribute some of the cheese after everything is poured out. And that’s it. It really IS that simple. Your Breakfast Casserole is ready to bake.
  12. Bake at 350° for 45 minutes, until the eggs are firmly set and the cheese is golden brown and crispy on top.
  13. Cut the Breakfast Casserole into squares and serve.
  • Prep Time: 15 min
  • Cook Time: 45 min
  • Category: Breakfast, Eggs, Main Dish
  • Cuisine: American