"Slow Cooker Salisbury Steak and Mashed Potatoes in a SINGLE slow cooker with mashed potatoes, rich gravy, mushrooms and onions over tender beef patties...."
INGREDIENTS
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1/4 teaspoon crushed black pepper, divided
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8 ounces crimini mushrooms, sliced
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2 teaspoons Worcestershire sauce
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parsley, for garnish (optional)
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6 russet potatoes, scrubbed clean
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4 tablespoons of butter
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1/2 cup sour cream
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1 cup whole milk or heavy cream
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1/2 teaspoon Kosher salt
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1/4 teaspoon ground black pepper