24 Hour Omelette

📜 Collection: JillCollection | ✍️ Attribution: Unknown | 📂 Category: Breakfast A perfect make-ahead savory breakfast casserole featuring chunks of challah bread soaked overnight in a rich egg custard with Longhorn and cream cheeses. This comforting strata bakes into a golden, puffed masterpiece ideal for weekend brunch.


Prep TimeCook TimeInactive / Chill TimeYield / Servings
20 mins1 hour8 hours10 to 12 servings

🔪 Key Equipment

  • 9x13 inch casserole dish
  • Mixing bowl
  • Whisk

Ingredients

MeasurementsIngredientsPrep / Notes
1 loafEgg ChallahCrusts removed
1 stick (1/2 cup)ButterMelted
3/4 poundLonghorn CheeseGrated
8 ouncesCream CheeseCubed
8 largeEggsBeaten
2 cupsMilkNone
1/2 teaspoonDry MustardNone
1/2 teaspoonSaltNone
1 tablespoonChivesChopped
1 dashCayenne PepperNone

Instructions

Step 1: Layer the Base

  1. Grease a large 9x13 inch casserole dish well.
  2. Tear the 1 loaf egg challah into chunks and place them evenly in the dish.
  3. Drizzle the 1 stick butter evenly over the bread.
  4. Sprinkle the 3/4 pound Longhorn cheese over the bread and dot the top with small pieces of the 8 ounces cream cheese.

Step 2: Add Custard and Chill

  1. In a separate mixing bowl, beat together the 8 large eggs, 2 cups milk, 1/2 teaspoon salt, 1/2 teaspoon dry mustard, 1 dash cayenne pepper, and 1 tablespoon chives until smooth.
  2. Pour the egg mixture evenly over the bread and cheese in the casserole dish.
  3. Cover the dish and refrigerate overnight or for at least 8 hours until fully absorbed.

Step 3: Bake and Serve

  1. When ready to bake, preheat the oven to 325°F (165°C).
  2. Bake the casserole covered for 1 hour, or until the center is set and puffed.
  3. Uncover the dish for the last 10 minutes of baking to brown the top until golden brown and bubbling.
  4. Let stand for 10 minutes before slicing and serving.

💡 Make-Ahead & Storage: Assemble the entire casserole the night before, cover, and refrigerate overnight before baking as directed.


Original Recipe Scan

![Original Handwritten Card](24 Hour Omelette JC-1754233701963.webp)