form meat into 8 balls, 2 inches in diameter

season with salt & pepper

heat a cast iron skillet

mix mayo and chili garlic sauce

toast pretzel buns in pan, being careful not to burn

place 4 balls in the cast iron skillet and smash with a spatula

cook until blood pools in the middle of the burger

flip and top with cheese

cook 2 minutes more

place sauce on the bottom of the bun and top with arugula

place 2 burgers on the bun and top with sauce and pickles and top bun

serve with spicy waffle fries