Hotel Strata is a classic make-ahead brunch casserole built from layers of bread, cheese, and a savory egg custard. This version, inspired by the hearty breakfast buffets of Sunnyvale’s hotel scene, is perfect for feeding a crowd with minimal morning effort. It works because the bread soaks up the custard overnight, resulting in a puffy, golden, and incredibly satisfying dish that slices cleanly and pleases almost everyone.
Ingredients
- 1 lb (450 g) day-old French or sourdough bread, cut into 1-inch cubes (about 10 cups)
- 8 large eggs
- 2 cups (480 ml) whole milk
- 1 cup (240 ml) heavy cream
- 1 tsp (5 g) Dijon mustard
- 1 tsp (2 g) dried thyme
- 1/2 tsp (1 g) garlic powder
- 1/2 tsp (1 g) onion powder
- 1/2 tsp (2 g) salt
- 1/4 tsp (0.5 g) black pepper
- 2 cups (200 g) shredded sharp cheddar cheese
- 1 cup (100 g) shredded Gruyère or Swiss cheese
- 1/2 cup (50 g) grated Parmesan cheese
- 8 slices cooked bacon, crumbled (about 1/2 cup / 60 g)
- 1 cup (150 g) diced ham (optional, for extra heartiness)
- 3 green onions, thinly sliced (for garnish)
Instructions
- Lightly grease a 9×13-inch (23×33 cm) baking dish with butter or nonstick spray. Spread the bread cubes evenly in the dish.
- In a large bowl, whisk together the eggs, milk, heavy cream, Dijon mustard, thyme, garlic powder, onion powder, salt, and pepper until fully combined and smooth.
- Pour the egg mixture evenly over the bread cubes. Gently press the bread down with a spatula to help it absorb the liquid.
- Sprinkle the shredded cheddar, Gruyère, and Parmesan over the top. Then scatter the crumbled bacon and diced ham (if using) over the cheese.
- Cover the dish tightly with plastic wrap or aluminum foil and refrigerate for at least 8 hours, or overnight, to allow the bread to soak up the custard.
- When ready to bake, preheat your oven to 350°F (175°C). Remove the strata from the refrigerator and let it sit on the counter for 20-30 minutes while the oven heats.
- Bake uncovered for 50-55 minutes, or until the top is golden brown and the center is set. To check for doneness, insert a knife or toothpick into the center—it should come out clean. The internal temperature of the egg mixture should reach 160°F (71°C) as a safe minimum, per USDA FSIS guidelines.
- Let the strata rest for 10 minutes before slicing. Garnish with sliced green onions and serve warm.
Tips
- Bread choice: Stale or day-old bread works best because it soaks up the custard without turning mushy. If your bread is fresh, toast the cubes in a 300°F (150°C) oven for 10 minutes before assembling.
- Don’t skip the overnight soak: The 8-hour refrigeration is essential for the bread to absorb the custard fully. If you’re short on time, a minimum of 4 hours will work, but the texture won’t be as creamy.
- Cheese variations: Feel free to swap the Gruyère for fontina or provolone. For a sharper flavor, use extra sharp cheddar instead of mild.
- Common mistake: Overbaking can dry out the strata. Start checking at 45 minutes—the center should be just set and slightly jiggly, not completely firm. It will continue to set as it rests.
Serving Suggestions
Serve this strata as the centerpiece of a brunch buffet alongside fresh fruit salad, roasted potatoes, and a simple green salad with a light vinaigrette. It also pairs beautifully with mimosas or a chilled glass of orange juice. For a heartier meal, add a side of sautéed mushrooms or grilled asparagus.
Variations
- Vegetarian: Omit the bacon and ham, and add 1 cup (150 g) of sautéed mushrooms, 1 cup (150 g) of blanched spinach, and 1/2 cup (75 g) of roasted red peppers.
- Southwestern: Replace the bacon and ham with 1 cup (150 g) of cooked chorizo, and add 1 can (4 oz / 115 g) of diced green chiles. Use pepper jack cheese instead of Gruyère.
- Herb & Leek: Sauté 2 leeks (white and light green parts, sliced) in butter until soft, and fold them into the egg mixture. Add 2 tbsp (8 g) of fresh chopped chives and 1 tbsp (3 g) of fresh dill.
- Gluten-Free: Use a good quality gluten-free bread. Since gluten-free bread is often drier, you may need to add an extra 1/4 cup (60 ml) of milk to the custard.
Storage and Reheating
Store leftover strata in an airtight container in the refrigerator for up to 4 days. To reheat, place a portion on a microwave-safe plate and heat in 30-second intervals until warm, or reheat in a 350°F (175°C) oven for 10-15 minutes. This strata also freezes well—wrap it tightly in plastic wrap and then foil, and freeze for up to 2 months. Thaw overnight in the refrigerator before reheating.
Frequently Asked Questions
Can I make this strata without the overnight refrigeration? Yes, but the texture will be less custardy and more bread-pudding-like. If you skip the soak, reduce the baking time by about 10 minutes and check for doneness earlier.
Can I use half-and-half instead of heavy cream? Absolutely. Half-and-half will make the strata slightly lighter, but it will still be rich and creamy. You can also use all whole milk for a lighter result.
Why is my strata soggy in the middle? This usually happens when the strata is underbaked. Make sure the center reaches 160°F (71°C) and the custard is set. Also, avoid overloading with too much liquid—stick to the recipe proportions.
Can I add vegetables without cooking them first? It’s best to cook watery vegetables like mushrooms, zucchini, or spinach before adding them. Raw vegetables release moisture during baking, which can make the strata watery.
Can I use a different size baking dish? Yes, you can use a 9×9-inch (23×23 cm) dish for a thicker strata, but you’ll need to increase the baking time by 10-15 minutes. A larger dish, like a 10×15-inch (25×38 cm), will bake faster—start checking at 35 minutes.
Is this strata suitable for a make-ahead breakfast? Yes, it’s perfect for make-ahead. Assemble it the night before, bake it in the morning, and you’ll have a hot breakfast ready in about an hour. You can also bake it completely and reheat individual slices.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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