Response:  1. Whole wheat bun - 300 calories
  2. Mushroom - 20 calories
  3. Lettuce - 5 calories
  4. Mustard - 10 calories
  5. Beef patty - 300 calories
  6. Tomato - 10 calories
  7. Avocado - 120 calories
  8. Sweet potato wedges - 150 calories
  
  Total calories: 915 calories