moderately demanding    20 min    4 people

Grill beef burgers on a well-heated grill pan. Flip the burger when one side is seared and add a thin slice of truffle cheese on top. Allow cheese to melt. Cut the buns in half and toast them briefly. Lay a grilled beef burger in each bun, add truffle ketchup and light truffle mayonnaise, finish with lettuce cut into strips.