Portion control is important. 5 small meals/ snacks a day. No crabs after 3. Protein shake or bars are good replacements for a meal.
With working out aim for a minimum of 20 minutes of high heart rate cardio a day. Burns calories and keeps metabolism working. Don't be afraid of weights. Light weights with lots of repetition or mixed in with your squats or lunges help increase calorie burn without bulking up