INGREDIENTS
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5 tablespoons butter
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1/2 cup Progresso™ plain panko crispy bread crumbs
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1/2 cup finely chopped onion
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3 tablespoons Gold Medal™ all-purpose flour
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3/4 teaspoon salt
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1/4 teaspoon pepper
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1/8 teaspoon ground nutmeg
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1 1/3 cups half-and-half
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4 packages (5 oz each) baby spinach leaves