INGREDIENTS
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5 lb russet potatoes
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2 tsp salt, divided
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3 Tbsp butter, softened
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¾ cup half & half, divided
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½ tsp onion powder
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¼ tsp garlic powder
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⅛ tsp ground nutmeg
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½ tsp freshly ground black pepper
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2 cup shredded sharp white cheddar cheese, divided
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1 (6.5-oz) container spreadable garlic-herb cheese, such as Boursin or Alouette
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1 Tbsp chives, chopped