Advice her for light diet avoid sugar, carbohydrate in foods. You can follow following diet for control diabetes.-
breakfast
1 cup skim milk
1 orange, medium
1 cup cheerios cereal
morning snack
1 cup can notaloupe melon
lunch
grilled shrimp skewers over white bean salad
1 whole-wheat pita bread, small
1 cup skim milk
1 fudgsicle, no sugar added
afternoon snack
2 tablespoons prepared hummus
3 ounces celery sticks
dinner
1/2 cup cooked brown rice
north african spiced carrots
tomato-herb marinated flank steak
1/2 banana, small.