Prep time 10 minutes
Cook time 10 minutes
Yield: Serves or Makes 4
Divide the ground beef into 4 patties and season with salt and pepper. Heat a cast iron pan over medium heat and add canola oil. Once shimmering, add patties and cook for about 3 minutes per side.
Add cheese and cook for one additional minute. To assemble, butter buns then add one cooked patty to each. Top with tomato, onion, lettuce and cornichons and enjoy.