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1
Preheat grill pan over high heat.
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2
In a medium pan brown bacon over medium high heat and drain on paper towel lined plate.
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3
Brush scallions with a little oil and grill on hot grill pan 2 or 3 minutes on each side; remove from heat to cool.
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4
To make the burgers, combine ground beef with Worcestershire and steak seasoning or salt and pepper; divide meat into 4 equal parts.
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5
Combine cheese crumbles and cooked bacon.
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6
Take 1/4 of the meat in your hand and make a well in the center of it.
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7
Pile in cheese and bacon, then carefully form the burger around the cheese and bacon filling; make sure the fillings are completely covered with meat.
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8
When all 4 patties are formed, drizzle burgers with oil and place on hot grill pan.
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9
Cook 2 minutes on each side over high heat, reduce heat to medium low and cook burgers 7 or 8 minutes longer, turning occasionally.
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10
Do not press down on burgers as they cook.
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11
Transfer burgers to a plate and let them rest 5 minutes before serving.
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12
To make the green onion mayonnaise, chop cooled, grilled green onions and add to a food processor.
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13
Add mayonnaise and cumin to the food processor and pulse the onions and mayonnaise.
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14
Season with salt and pepper, to your taste.
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15
Pile burgers on crusty buns and top with crisp lettuce leaves and a slather of green onion mayonnaise.
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16
As you bite into the burgers, you will find a smoky, cheesy surprise at the center.