"Onion and cheddar cheese perk up the rich flavor of summer squash in this comforting casserole. A crispy cornflake-crumb topping adds a little crunch. —Katherine Metz, Jacksonville, Florida..."
INGREDIENTS
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2 small yellow summer squash, sliced
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1/4 cup chopped onion
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1/2 teaspoon salt, divided
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1 large egg
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1/4 cup mayonnaise
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2 teaspoons sugar
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Pepper to taste
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1/4 cup shredded cheddar cheese
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2 tablespoons crushed cornflakes
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1-1/2 teaspoons butter, melted