Overnight Omelet Recipe

Overnight Omelet Recipe

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Make-ahead breakfast casseroles are super convenient, especially during the holidays and other busy mornings when you want a hearty meal in your tummy. If you're looking for a savory, eggy breakfast...

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Ingredients

  • 3 tablespoons unsalted butter (softened (plus extra for baking dish))
  • 10 slices high-quality white sandwich bread
  • 12 ounces cheddar cheese (shredded (about 3 cups))
  • 8 large eggs
  • 3 cups whole milk
  • 1 small onion (grated over large holes of box grater)
  • 1 teaspoon salt
  • 1/2 teaspoon pepper
  • 1 teaspoon dry mustard
  • 1/2 teaspoons hot sauce

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