Pastel de Papas (Beef Shepherd's Pie)
Ingredients:
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2 ½ pounds Yukon Gold potatoes, peeled and quartered
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1 ½ teaspoons salt, divided
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¾ cup milk, or as needed
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3 tablespoons butter
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1 tablespoon Parmesan cheese
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¼ teaspoon ground black pepper
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¼ teaspoon ground nutmeg
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1 tablespoon olive oil
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1 onion, chopped
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1 red bell pepper, chopped
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1 ½ pounds ground beef
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2 teaspoons smoked paprika
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1 teaspoon salt
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1 teaspoon garlic powder
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½ teaspoon ground black pepper
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2 hard-cooked eggs, chopped
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½ cup chopped green olives
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½ cup cubed mozzarella cheese
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1 tablespoon grated Parmesan cheese