INGREDIENTS
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olive oil
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onion, grated on large holes of a box grater
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garlic clove, finely chopped
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ketchup
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apple cider vinegar
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dark brown sugar
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cayenne pepper
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low-sodium chicken broth
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chopped fresh parsley
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large eggs
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fine breadcrumbs
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finely grated Parmesan
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kosher salt
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freshly ground black pepper
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ground beef chuck (15% fat)
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thin strips bacon