"Seasoned stock keeps this meatloaf juicy and flavorful. A doctored ketchup delivers just the right amount of tang, spice, and sweetness. And the bacon? We think it speaks for itself. This is part of [BA's Best](http://www.bonappetit.com/best), a collection of our essential recipes...."
INGREDIENTS
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1 tablespoon olive oil
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1 onion, grated on large holes of a box grater
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1 garlic clove, finely chopped
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¾ cup ketchup
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¼ cup apple cider vinegar
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3 tablespoons dark brown sugar
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¼ teaspoon cayenne pepper
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¾ cup low-sodium chicken broth
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½ cup chopped fresh parsley
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2 large eggs
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⅔ cup fine breadcrumbs
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½ cup finely grated Parmesan
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1 tablespoon kosher salt
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¼ teaspoon freshly ground black pepper
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2 pounds ground beef chuck (15% fat)
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6 thin strips bacon