INGREDIENTS
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4 medium Yukon Gold potatoes (about 2 lb.)
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1/3 cup milk
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2 tablespoons unsalted butter
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Salt and pepper
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1 tablespoon olive oil
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1 medium onion, diced
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2 cloves garlic, minced
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1 pound lean ground beef
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1 tablespoon tomato paste
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1 teaspoon Worcestershire sauce
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1 teaspoon dried thyme
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1 tablespoon cornstarch
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1 cup frozen mixed vegetables