"If you are planning breakfast for a crowd, a breakfast strata is the way to go - make it the night before and just bake in the morning...."
INGREDIENTS
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12 ounces breakfast sausage
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1 tablespoon unsalted butter
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1 small onion (thinly sliced)
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½ teaspoon dried sage
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½ cup roasted red bell peppers (cut into 1–inch strips)
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5 ounces fresh baby spinach
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9 eggs
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2½ cups half-and-half
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2 teaspoons Dijon mustard
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1 teaspoon salt
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Freshly ground black pepper
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1 (1-pound) loaf artisan or sourdough bread (sliced ½-inch thick)
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2 cups grated Gruyère cheese (or Swiss cheese (about 6 ounces))
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½ cup grated Parmesan cheese