Search by nutrients here :
Nutrient Search Tool – NutritionData.com
High protein, low cal, etc.
Whatever you want. It'll give you some ideas. Then, go in the spice section of your supermarket and get some low-cal condiments (mustard, soy sauce, vinegar, etc). Some spices can make a simple piece of meat real tasty. Use curry on white fish and broiled, for example.