"A filling, hearty quiche. I usually make this for supper but would be good for breakfast, brunch, or lunch...."
INGREDIENTS
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1 1/4 cups shredded cheddar cheese, divided
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1 unbaked 9 inch pie shell
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1 cup cooked chopped chicken
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1 (10 ounce) package frozen chopped spinach, thawed and drained very well
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1/2 cup chopped onion
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3 eggs
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3/4 cup milk
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3/4 cup mayonnaise
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salt and pepper