and stir 30 seconds. season the mushrooms with salt and pepper, and then remove and cover loosely with foil.
4. to the same skillet, add 2 more tablespoons oil. when hot, add half the buns, cut sides down, and toast until lightly grilled, about 1 minute. remove, add 2 more tablespoons of oil to the skillet, and repeat. set buns aside.
5. to the same skillet, add the burgers and sprinkle with half of the seasoning mix. cook 3 minutes, then turn and sprinkle with remaining seasoning. cook 2 minutes more. top burgers with cheese and cover the skillet with a lid for 30 seconds to help it melt. remove the lid 