IMO, exact ratios of food comes from experimenting with yourself. Some people can do CKD or TKD with no problems, others can't operate on less than 100g carbs. Keep foods clean and simple should be the main focus. Fine tune from there.
Lean Meats: grill indoor or out, rely more on spices than marinade
Chicken (skinless breasts)
Turkey Breast
Fish (Tuna, Salmon, Orange Roughy, etc)
Lean Beef Cuts (i.e., Eye of Round)
Eggs
Carbs:
Cream of Wheat
Oatmeal
Green Beans
Asparagus
Brocolli
Red Potatoes
Yams/Sweet Potatoes
Artichokes
Lettuce (greener the better) - for salads
Fats:
Almonds/Nuts (aim for unsalted, but either way is okay)
Flax Oil
Olive Oil
Natural PB (NOT the processed kind, look for the jar with the oil on top so you have to mix it yourself)
If she eats fish, especially tuna and salmon, there are good fats there too.
Starchier carbs should be eaten early in the day (potato, CoW or Oatmeal) and Veggies in the afternoon and night.
Every meal should have a protein source. Don't eat fat or carb without protein.