Description

A festive, make-ahead breakfast casserole featuring layers of day-old sourdough, creamy egg custard, savory prosciutto, and melted cheese. Perfect for holiday mornings or brunch gatherings.

Ingredients

Scale

1 loaf day-old sourdough bread, torn into cubes

4–6 oz prosciutto, thinly sliced and torn

8 large eggs

2 cups whole milk

1½ cups grated Gruyère or mozzarella cheese

2–3 tbsp fresh herbs (thyme, basil, or chives), chopped

2 tbsp unsalted butter, melted

salt and black pepper to taste

Instructions

1. Preheat oven to 350°F and grease a 9×13-inch baking dish with melted butter

2. Layer half the sourdough cubes in the dish, sprinkle half the cheese, herbs, and half the prosciutto

3. Repeat layers with remaining bread, cheese, herbs, and prosciutto

4. In a bowl, whisk eggs, milk, salt, and pepper until smooth

5. Pour custard evenly over strata, pressing gently so bread absorbs liquid

6. Cover and refrigerate for at least 2 hours or overnight

7. Remove from fridge 30 minutes before baking

8. Bake uncovered for 45–55 minutes until golden and set

9. Let rest 10 minutes before slicing and serving

Prep Time: 15 minutes
Cook Time: 45 minutes
Category: breakfast
Method: baking
Cuisine: american

Nutrition

Serving Size: 1 slice
Calories: 350
Sugar: 4
Sodium: 800
Fat: 20
Saturated Fat: 10
Unsaturated Fat: 8
Trans Fat: 0
Carbohydrates: 25
Fiber: 2
Protein: 15
Cholesterol: 200

Keywords: sourdough, strata, prosciutto, holiday, breakfast, brunch, casserole, savory