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Easy Sparkling Champagne Breakfast Casserole Recipe for Perfect Brunch

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A light and hearty breakfast casserole featuring sparkling champagne folded into a custard base, combined with classic brunch ingredients for a festive and comforting meal.

Ingredients

Scale
  • 6 large eggs, room temperature
  • 2 cups whole milk or half-and-half (dairy-free milk optional)
  • 1 cup sparkling champagne (Brut style recommended)
  • 1 teaspoon pure vanilla extract
  • Salt to taste (about 1 teaspoon)
  • Freshly ground black pepper to taste (about ½ teaspoon)
  • 4 cups cubed day-old French bread or brioche
  • 1 ½ cups shredded sharp cheddar cheese
  • 1 cup cooked breakfast sausage or diced ham (optional)
  • ½ cup diced green onions or chives
  • 1 cup sliced mushrooms or sautéed spinach (optional)
  • ½ cup shredded Gruyère or mozzarella cheese
  • Fresh herbs like parsley or thyme for garnish

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with butter or nonstick spray.
  2. Cut day-old French bread or brioche into 1-inch cubes. If bread is fresh, toast cubes in the oven for about 10 minutes to dry them out.
  3. Cook sausage in a skillet over medium heat until browned and cooked through, about 5-7 minutes. Drain excess fat. Sauté mushrooms or spinach if using, until wilted. Set aside to cool.
  4. In a large bowl, whisk together eggs, milk or half-and-half, sparkling champagne, vanilla extract, salt, and black pepper until smooth and slightly frothy.
  5. In the prepared baking dish, layer bread cubes evenly. Sprinkle cooked sausage or ham, sautéed veggies, green onions, and shredded cheddar cheese over the bread.
  6. Pour the champagne custard mixture evenly over the layered ingredients, gently pressing down to soak the bread cubes.
  7. Let the casserole rest at room temperature for 10-15 minutes to allow the bread to absorb the custard fully.
  8. Sprinkle shredded Gruyère or mozzarella cheese evenly over the top.
  9. Cover loosely with aluminum foil and bake for 40 minutes. Remove foil and bake an additional 15-20 minutes until the top is bubbly and golden brown and a toothpick inserted in the center comes out clean.
  10. Let the casserole cool for 5-10 minutes before serving. Garnish with fresh herbs like parsley or thyme.

Notes

Use day-old bread for best texture to avoid sogginess. Let the casserole rest before baking to ensure bread absorbs custard fully. Cover with foil during most of baking to prevent over-browning. Customize fillings to suit dietary preferences. For extra fluffiness, fold in whipped egg whites separately.

Nutrition

Keywords: champagne breakfast casserole, brunch casserole, sparkling champagne recipe, easy breakfast casserole, holiday brunch recipe, savory breakfast bake

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