Assuming medium to high quality. Feel free to weigh in, @Bourdain
  1. Beef
  2. Veggie
    Surprised? Don't be. Flexible, lighter, healthier and often delicious the veggie burger is under rated
  3. Salmon
  4. Lamb
    If you switch three and four no prob
  5. Turkey
  6. Portobello mushroom on a bun
    Not a burger