"A delicious breakfast casserole you can make ahead! Perfect for brunches and holiday morning get-togethers. This can rest in the fridge overnight before baking or can be placed in the oven right away...."
INGREDIENTS
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8-10 slices (about 1" thick) French bread
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butter
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6 slices bacon
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1 medium onion, diced
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5 ounces fresh spinach
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6 eggs
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1½ cups milk
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1½ cups sharp white cheddar
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salt & pepper to taste