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5-Ingredient Overnight Breakfast Casserole

A simple make-ahead breakfast casserole with eggs, sausage, hash browns, cheese, and milk — just five ingredients for a hearty morning meal.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 8 squares
Course: Breakfast, Brunch
Cuisine: American, Comfort Food
Calories: 290
Ingredients Equipment Method Notes

Ingredients
  

  • 8 large eggs
  • 1 lb breakfast sausage pork or turkey
  • 3 cups frozen shredded hash browns slightly thawed
  • 1 cup shredded cheddar cheese
  • 1 cup milk whole or 2%

Equipment

  • 9×13 inch baking dish
  • Mixing bowl
  • Whisk
  • Skillet
  • Measuring cups

Method
 

  1. Cook sausage in a skillet until browned and fully cooked. Drain excess fat.
  2. Grease a 9x13-inch baking dish. Spread hash browns evenly across the bottom.
  3. Layer sausage and cheese over the hash browns.
  4. Whisk eggs and milk together. Pour evenly over the casserole.
  5. Cover and refrigerate overnight.
  6. In the morning, bake at 350°F (175°C) for 40–45 minutes until eggs are set and top is golden.
  7. Cool slightly before serving.

Notes

Add veggies, bacon, or spices for flavor variations.