Ranked by protein per calorie.
- Avocado, Sliced — 45 cal, 1g protein
- Avocado, Smashed — 70 cal, 1g protein
- Banana Peppers — 0 cal, 0g protein
- Cucumbers — 0 cal, 0g protein
- Green Chiles — 5 cal, 0g protein
- Green Peppers — 0 cal, 0g protein
- Jalapeno Peppers — 0 cal, 0g protein
- Lettuce — 0 cal, 0g protein
- Olives, Black — 0 cal, 0g protein
- Onions — 0 cal, 0g protein
- Pickles, Crinkle — 0 cal, 0g protein
- Spinach, Baby — 0 cal, 0g protein
- Tomatoes — 5 cal, 0g protein