Go to Wal-Mart.
Buy marinated Albacore Tuna Steaks (they are in the little bags, for about $2.50 per steak).
Put the steak on a plate with a little bit of brown mustard, or mustard of choice.
Nuke for 45 seconds.
150 Calories
35g Protein, 1.5g Fat (some of those omegas), nothing else.
Good for in-between meal snacking, or in addition to a meal.
Eat it cold if you prefer.
MuX