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Overnight Breakfast Strata with Spinach and Cheese

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This hearty Breakfast Strata is a savory egg casserole layered with crusty bread, sautéed vegetables, and melty cheeses. Made ahead and baked in the morning, it’s perfect for holidays, brunches, or leisurely weekends.

  • Author: Tina
  • Prep Time: 15 minutes
  • Cook Time: 55 minutes
  • Total Time: 9 hours 10 minutes
  • Yield: 10 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

1 (10-ounce) package chopped frozen spinach, defrosted and drained

2 tablespoons unsalted butter

1 yellow onion, minced

Salt and pepper, to taste

1 cup roasted red peppers, diced

2 cups milk (any fat percentage)

1/2 cup heavy cream

1/4 teaspoon grated nutmeg

1 tablespoon Dijon mustard

8 large eggs

Cooking spray or butter (for greasing pan)

8 cups cubed sourdough, French, or Italian bread

2 cups shredded Gruyere or Swiss cheese

1/2 cup grated Parmesan cheese

Instructions

  1. Squeeze excess moisture from defrosted spinach using cheesecloth or a clean towel. Set aside.
  2. In a large skillet, melt butter over medium heat. Add onion with salt and pepper, and sauté for 4–5 minutes until softened.
  3. Stir in spinach and roasted red peppers. Cook for 2 minutes, then remove from heat.
  4. In a large bowl, whisk together eggs, milk, cream, Dijon mustard, nutmeg, salt, and pepper until well combined.
  5. Grease a 9×13-inch baking dish. Layer 1/3 of the bread cubes, 1/3 of the spinach mixture, and 1/3 of each cheese. Repeat layers two more times.
  6. Pour egg mixture evenly over the strata. Press down gently to submerge the bread. Cover with plastic wrap and refrigerate for at least 8 hours or overnight.
  7. When ready to bake, remove strata from fridge and let sit at room temperature for 30 minutes. Preheat oven to 350°F (175°C).
  8. Bake uncovered for 20 minutes. Then cover loosely with foil and bake an additional 30–35 minutes, until golden and puffed.
  9. Let rest for 5–10 minutes before slicing and serving.

Notes

  • Add cooked bacon, sausage, or ham for a meatier version.
  • Try other vegetables like mushrooms, asparagus, or shallots for variety.
  • Use gluten-free bread for a celiac-friendly option.
  • Replace Gruyere with cheddar, mozzarella, or feta for a flavor twist.
  • Store leftovers in the fridge for up to 3 days and reheat in microwave or oven.

Nutrition

Find it online: https://cheftinaskitchen.com/overnight-breakfast-strata-with-spinach-and-cheese/