INGREDIENTS
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1 stick (8 tablespoons) salted butter, softened
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6 everything bagels, split
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2 medium yellow onions, halved and sliced
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1/4 cup mayonnaise
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2 tablespoons yellow mustard
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Hot sauce, as needed
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Kosher salt and freshly ground black pepper
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1 pound bulk hot breakfast sausage
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1 pound bulk maple breakfast sausage
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12 slices Cheddar
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6 large eggs