Double Cheeseburger in a pan

1 pound 85 % fat ground meat (I had 95% and added some sunflower oil) pink salt&pepper 2 slices of cheese slices of red onion slices of tomatoe 4 kalamata olives the holy trinity: mayo, ketchup & mustard 2 bread buns start oven at 350F, cut the buns in half, place them on a cookies…