"Who doesn't love french onion soup dip? Here, it marries an American burger: Caramelized onions get mixed with sour cream, then piled on top along with ridged chips. There are many versions of this burger out there, this one gets my vote for the ultimate. The onions and beef consomme really make it...."
INGREDIENTS
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3 tablespoons butter
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5 onions, 4 thinly sliced and 1 peeled
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1 bay leaf
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Sea salt and pepper
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1/2 teaspoon ground thyme
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1 cup beef consomme
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1 1/2 cups sour cream
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2 pounds ground beef sirloin
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About 1/4 cup worcestershire sauce (eyeball it)
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A handful flat-leaf parsley, finely chopped
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EVOO, for drizzling
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6 brioche buns, split
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36 good-quality ridged or thick-cut potato chips (cooked in olive oil)
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Sliced sweet pickles