sweet danish white cucumber pickle (recipe on zaar)
Mix the horseradish, Szechwan chili sauce,Worcestershire sauce, garlic, and hot pepper into the meat. Season with salt and pepper.Form into a pattie a little larger than your bun. Refrigerate for a half hour.
When you are ready to fry the burger turn heat to high, spray your pan with a little veggie oil.Sear the burger on one side, flip it, turn the heat down to medium; add mushrooms.
Cover with a lid and leave heat on medium until the second side is browned.Turn heat down to low; leave skillet covered and continue to cook until well done. Total time 12 to 15 minutes.
Meanwhile butter the bun halves inside, broil the inside of the split bun until golden; add a slice of cheese to each half, and broil just for a minute.
Put the onion, tomato, mushrooms, and hot mustard on one side of the bun. Top with burger and top with other half of the bun. Cut into four and enjoy.