First you need to but salt and pepper roll the patty on the salt and pepper and brush on sour cream and a little oil

Then but the patty on the grill the when its been there about 2 min you brush sour cream and salt and pepper on the pattys and if you want to add flavoure you can grill the buns

Whit the buns out you brush a little mustard on the buns then but a tomato then take the patty out but on the tomato then brush it again whit sour cream then tomato on top of the patty and add letuce

Then you but mustard on the letuce and top it whit the bun done