Gruyere, Bacon and Caramelized Onion Egg Casserole


Gruyere and Bacon Egg Casserole 5- Boston Chic Party

Gruyere and Bacon Egg Casserole 4- Boston Chic PartyGruyere and Bacon Egg Casserole 6- Boston Chic Party Creamy Gruyere cheese, delicious bacon and sweet caramelized onions make for an amazing egg casserole that you’ll be dreaming about the night before!

I love a good bacon, egg and cheese sandwich- I mean who doesn’t? While those three ingredients may be synonymous with the breakfast sandwich, I promise you’ll never think of them the same way after having this out of this world egg casserole! I made this for my family over the Thanksgiving holiday and received so many great reviews I couldn’t wait to share it with you! Besides being insanely delicious, this casserole also comes together the night before. So you can wake up, throw it in the oven and breakfast is served!
Okay I won’t delay you from fulfilling your breakfast dreams any longer, here’s the recipe… You NEED to make this!
xoxo, Jenna
You’ll Need:
Serves 8
  • 6 cups of day old challah bread, cubed
  • 3 tablespoons olive oil
  • 1 medium onion
  • 1 teaspoon salt
  • 1/2 teaspoon granulated sugar
  • 1 pound bacon
  • 9 eggs
  • 2 and 1/2 cups milk
  • 1 teaspoon dry mustard
  • 1/2 teaspoon nutmeg
  • 2 cup Gruyere cheese, grated
  • Additional salt and pepper to taste
Gruyere and Bacon Egg Casserole 2- Boston Chic Party
To Make:
Spray a 9 x 13 baking dish with cooking spray.
Cut challah bread into cubes and arrange in bottom of sprayed dish.
Heat 1 and a half tablespoons of olive oil in a skillet to caramelize the onions. Add onions, teaspoon of salt and 1/2 teaspoon sugar to skillet and saute to caramelize.
In a separate skillet, use the remaining olive oil to cook the bacon. Cook bacon slightly less than fully cooked- it will crisp up when baking.
In a mixing bowl, whisk together the eggs, milk, dry mustard and nutmeg. Add salt and pepper to taste if you would like.
Cut or rip the bacon into bite sized pieces. Sprinkle over the cubed bread.
Next, place the caramelized onions on top of the bacon.
For the next layer place almost all of the grated cheese on top of the onion and bacon. You’ll want to save a bit to sprinkle on top right before baking.
Pour egg mixture on top. With your palm or back of a spoon, push down on the bread so that it is covered in the egg mixture.
Cover and place in refrigerator overnight.
In the morning, pre-heat oven to 350 degrees. Sprinkle remaining cheese on top.
Bake uncovered for 40-50 minutes, or until browning on edges.
Remove from oven and allow to cool for just a few minutes before cutting into squares and devouring!

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