For an extra layer of flavor, consider adding a sprinkle of nutmeg or a pinch of red pepper flakes to the egg mixture. Feel free to substitute other cheeses, such as cheddar or Swiss, based on your preference. If you don't have croissants, brioche or challah bread work beautifully as well. Adjust baking time accordingly. This bake is also delicious with sauteed vegetables like mushrooms, spinach or bell peppers. Add them to the casserole with the ham. For a richer flavor, use heavy cream instead of milk. Leftovers can be stored in the refrigerator for up to 3 days. Reheat gently in the oven or microwave.
Overnight Breakfast Bake with Ham, Cheese, and Croissants
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PREP TIME15 mins
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COOK TIME45 mins
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TOTAL TIME9 hrs
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SERVING6 People
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VIEWS18
Wake up to a symphony of savory flavors with this effortless overnight breakfast bake. Flaky croissants meld with Gruyere, ham, and a rich custard, creating a comforting and elegant dish perfect for a relaxed brunch or holiday gathering.
Ingridients
Adjust Servings
Nutrition
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Carbohydrate14 g
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Cholesterol235 mg
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Fiber1 g
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Protein17 g
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Saturated Fat10 g
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Sodium682 mg
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Fat21 g
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Unsaturated Fat0 g
Follow The Directions
01
StepGrease an 8x8-inch baking pan with butter-flavored cooking spray. (Prep time: 2 minutes)
02
StepCut the croissants into 1-inch cubes (approximately 4 cups, loosely packed). Spread the croissant cubes evenly across the bottom of the prepared pan. Sprinkle uniformly with shredded Gruyere cheese, then the diced cooked ham. (Prep time: 10 minutes)
03
StepIn a mixing bowl, whisk together the eggs, milk, sour cream, Dijon mustard, salt, and pepper until the mixture is smooth and well combined. (Prep time: 5 minutes)
04
StepCarefully pour the egg mixture evenly over the layered croissants, cheese, and ham in the baking pan. Ensure all ingredients are moistened. (Prep time: 3 minutes)
05
StepCover the baking pan tightly with aluminum foil. Refrigerate for a minimum of 8 hours, or preferably overnight, to allow the flavors to meld and the croissants to absorb the custard. (Refrigeration time: 8+ hours)
06
StepThe next day, remove the baking dish from the refrigerator and let it sit on the counter while the oven preheats to 350 degrees F (175 degrees C). (Preheat time: 15 minutes)
07
StepUncover the casserole and place it in the center of the preheated oven. Bake until the casserole is set and a knife inserted into the middle comes out clean, approximately 45 to 55 minutes. (Bake time: 45-55 minutes)
08
StepRemove the baked casserole from the oven and let it rest for 5-10 minutes before cutting into serving pieces. Garnish with freshly chopped green onions before serving.
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Abel Koss
Jul 1, 2025I added some cooked sausage to mine and it was even better!
Frankie Prosacco
Jun 30, 2025This is my go-to recipe for brunch. Always a hit!
Reginald Feeney
Jun 27, 2025I doubled the recipe and baked it in a 9x13 pan for a larger crowd.
Arvel Denesik
Jun 21, 2025My kids are picky eaters, but they devoured this!
Una Okeefe
Jun 7, 2025I didn't have Gruyere, so I used cheddar and it worked just fine.
Pedro Stark
Jun 7, 2025Easy to customize with whatever ingredients you have on hand.
Corrine Tillman
Jun 2, 2025I think next time I will add a layer of cherry tomatoes for extra flavor.
Teagan Altenwerth
Jun 1, 2025So easy to prepare the night before. Perfect for busy mornings!
Janick Weber
May 18, 2025This recipe is amazing! I made it for Christmas morning and everyone loved it.