Ranked by protein per calorie.
- Processed Swiss — 40 cal, 3g protein
- Bacon — 70 cal, 5g protein
- Cheddar Cheese (Mild Slice) — 80 cal, 5g protein
- 4" Sesame Seed Bun — 210 cal, 7g protein
- Crispy Onions — 70 cal, 1g protein
- Red Ranch Sauce — 70 cal, 0g protein
- Tomato — 5 cal, 0g protein
- Red Onion — 0 cal, 0g protein
- Cheddar Cheese Sauce — 25 cal, 0g protein